Staffan Jacobson
Tribologi finns överallt: i alla transporter, maskinerier, tillverkningsprocesser och inte minst i våra vardagliga verksamheter. Jag har de senaste 35 åren haft förmånen att få forska på tribologin inom en lång rad av alla dessa intressanta områden.
Hit hör industriella skär- och formverktyg, elektriska kontakter, bergborrar, halkolyckor på golv, höftledsimplantat, fordonsbromsar, motordetaljer, lågfriktionsskikt och mikrostrukturerade glidytor. Till detta kommer mer hobbybetonade, men inte mindre intressanta, utflykter till friktionen i curling och längdskidåkning.
Inom alla dessa områden har forskningen främst varit inriktad mot att förstå mekanismerna bakom friktion och nötning, samt hur de båda motytornas material och ytskikt påverkar friktionsförlopp och nötning. Ofta visar det sig att de allra yttersta skikten på ytorna totalt ändrar sammansättning och struktur under kontakten, och att det är dessa yttersta atomlager, tribofilmen, som avgör friktionen och nötningsmotståndet.
Den ”verkliga” kontakten är ofta så komplex och svår att styra och mäta, att det blir svårt att skapa förståelse genom att studera den. Vi har därför genom åren lagt stor vikt vid att utveckla och använda relevanta provningsmetoder i labbet. I första hand ger labmetoderna möjligheter att skapa bättre förståelse. Dessutom är de mycket användbara för att snabbt och ekonomiskt göra initial provning och rangordning av nya tribologiska material, ytbeläggningar, texturer och smörjmedel.
Förutom forskningen så undervisar jag inom ämnena tribologi, tribologiska material, ytskiktsbehandling och svepelektronmikroskopi. Främst gäller detta civilingenjörsstudenter och doktorander, men även verksamma ingenjörer. Tillsammans med min forne handledare och gode kollega Sture Hogmark har jag skrivit boken Tribologi – friktion, nötning, smörjning.
Tack vare Sture, alla skickliga doktorander och goda kollegor har jag med åren fått vara med att bygga upp en bred erfarenhet och expertis inom tribologiområdet. Detta har lett till intressanta projekt inom nya områden, med intressanta partners både från industri och akademi, både svenska och internationella.
Det är min starka övertygelse att tribologisk forskning och utveckling gradvis blir allt viktigare för att möjliggöra en effektiv omställning till en bättre, mer hållbar och energieffektivare teknik.
Staffan Jacobson
Professor i materialvetenskap vid Institutionen för materialvetenskap, Tillämpad materialvetenskap
- E-post:
- staffan.jacobson[AT-tecken]angstrom.uu.se
- Telefon:
- 018-471 3088
- Mobiltelefon:
- 070-7235290
Publikationer
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Tribofilm formation of a boric acid fuel additive: material characterization; challenges and insights
Ingår i Tribology International, 2022.
Artikel i tidskrift
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Tribological evaluation of a boric acid fuel additive in various engine fuels
Ingår i Wear, s. 204381-, 2022.
Artikel i tidskrift
DOI för Tribological evaluation of a boric acid fuel additive in various engine fuels Ladda ner fulltext (pdf) av Tribological evaluation of a boric acid fuel additive in various engine fuels
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Unraveling the lubrication mechanisms of lithium complex (LiX)- and polypropylene (PP)- thickened greases in fretting – Part I: Fretting experiments and surface analysis
Ingår i Wear, 2022.
Artikel i tidskrift
DOI för Unraveling the lubrication mechanisms of lithium complex (LiX)- and polypropylene (PP)- thickened greases in fretting – Part I: Fretting experiments and surface analysis Ladda ner fulltext (pdf) av Unraveling the lubrication mechanisms of lithium complex (LiX)- and polypropylene (PP)- thickened greases in fretting – Part I: Fretting experiments and surface analysis
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Unraveling the lubrication mechanisms of lithium complex (LiX)- and polypropylene (PP)- thickened greases in fretting – Part II: Lubrication model
Ingår i Wear, 2022.
Artikel i tidskrift
DOI för Unraveling the lubrication mechanisms of lithium complex (LiX)- and polypropylene (PP)- thickened greases in fretting – Part II: Lubrication model Ladda ner fulltext (pdf) av Unraveling the lubrication mechanisms of lithium complex (LiX)- and polypropylene (PP)- thickened greases in fretting – Part II: Lubrication model
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Grease-lubricated tribological contacts-Influence of graphite, graphene oxide and reduced graphene oxide as lubricating additives in lithium complex (LiX)- and polypropylene (PP)-thickened greases
Ingår i Wear, 2021.
Artikel i tidskrift
DOI för Grease-lubricated tribological contacts-Influence of graphite, graphene oxide and reduced graphene oxide as lubricating additives in lithium complex (LiX)- and polypropylene (PP)-thickened greases Ladda ner fulltext (pdf) av Grease-lubricated tribological contacts-Influence of graphite, graphene oxide and reduced graphene oxide as lubricating additives in lithium complex (LiX)- and polypropylene (PP)-thickened greases
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Influence of binder metal on wear initiation of cemented carbides in sliding contact with granite
Ingår i Wear, 2021.
Artikel i tidskrift
DOI för Influence of binder metal on wear initiation of cemented carbides in sliding contact with granite Ladda ner fulltext (pdf) av Influence of binder metal on wear initiation of cemented carbides in sliding contact with granite
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On the critical roles of initial plastic deformation and material transfer on the sliding friction between metals
Ingår i Wear, 2021.
Artikel i tidskrift
DOI för On the critical roles of initial plastic deformation and material transfer on the sliding friction between metals Ladda ner fulltext (pdf) av On the critical roles of initial plastic deformation and material transfer on the sliding friction between metals
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Wear of uncoated and PVD coated cemented carbide tools for processing of copper based materials part II: Exploring the sliding contact with pure copper
Ingår i Wear, 2021.
Artikel i tidskrift
DOI för Wear of uncoated and PVD coated cemented carbide tools for processing of copper based materials part II: Exploring the sliding contact with pure copper Ladda ner fulltext (pdf) av Wear of uncoated and PVD coated cemented carbide tools for processing of copper based materials part II: Exploring the sliding contact with pure copper
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Tailoring residual stresses in CrNx films on alumina and silicon deposited by high-power impulse magnetron sputtering
Ingår i Surface & Coatings Technology, 2020.
Artikel i tidskrift
DOI för Tailoring residual stresses in CrNx films on alumina and silicon deposited by high-power impulse magnetron sputtering Ladda ner fulltext (pdf) av Tailoring residual stresses in CrNx films on alumina and silicon deposited by high-power impulse magnetron sputtering
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Wear of Uncoated and PVD Coated Cemented Carbide Tools for Processing of Copper Based Materials Part I: Lab test verification in dry and lubricated sliding
Ingår i Wear, 2020.
Artikel i tidskrift
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Cemented carbide wear initiation in sliding contact with iron ore
Ingår i Proceedings of 2nd Sweden-China Symposium on Tribology, 2019.
Konferensbidrag
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Influence of cemented carbide binder type on wear initiation in rock drilling – investigated in sliding wear against magnetite rock
Ingår i International journal of refractory metals & hard materials, 2019.
Artikel i tidskrift
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Initiation wear of cemented carbide tools used in copper processing -: evaluated in sliding contact
Ingår i Proceedings of International Conference on the Science of Hard Materials, Khao Lak, Thailand, 2019.
Konferensbidrag
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Wear mechanisms of WC-Co cemented carbide tools and PVD coated tools used for shearing Cu-alloy wire in zipper production
Ingår i Wear, s. 96-107, 2019.
Artikel i tidskrift
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Boric acid as fuel additive - Friction experiments and reflections around its effect on fuel saving
Ingår i Tribology International, s. 302-312, 2018.
Artikel i tidskrift
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Friction behavior of ferritic stainless steel in a strongly diluted alcohol solution of alkylphosphonic acid
Ingår i Tribology International, s. 465-473, 2018.
Artikel i tidskrift
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Initial surface failure and wear of cemented carbides in sliding contact with different rock types
Ingår i Wear, s. 43-55, 2018.
Artikel i tidskrift
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On the deformation mechanisms of cemented carbide in rock drilling: Fundamental studies involving sliding contact against a rock crystal tip
Ingår i International journal of refractory metals & hard materials, s. 141-151, 2018.
Artikel i tidskrift
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On the dramatic wear protecting effect of tribofilms on wear of combustion engine valves
2018.
Konferensbidrag
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On the Role of Material Transfer in Friction Between Metals: Initial Phenomena and Effects of Roughness and Boundary Lubrication in Sliding Between Aluminium and Tool Steels
Ingår i Tribology letters, 2018.
Artikel i tidskrift
DOI för On the Role of Material Transfer in Friction Between Metals: Initial Phenomena and Effects of Roughness and Boundary Lubrication in Sliding Between Aluminium and Tool Steels Ladda ner fulltext (pdf) av On the Role of Material Transfer in Friction Between Metals: Initial Phenomena and Effects of Roughness and Boundary Lubrication in Sliding Between Aluminium and Tool Steels
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Surface texturing to promote formation of protective tribofilms on combustion engine valves
Ingår i Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology, s. 54-61, 2018.
Artikel i tidskrift
DOI för Surface texturing to promote formation of protective tribofilms on combustion engine valves
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Boric acid as a lubricating fuel additive - Simplified lab experiments to understand fuel consumption reduction in field test
Ingår i Wear, s. 822-830, 2017.
Artikel i tidskrift
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Effect of combined additions of Si, Mn, Cr and Al to carbon steel on material transfer in a steel/TiN coated tool sliding contact
Ingår i Wear, s. 9-17, 2017.
Artikel i tidskrift
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Initial deformation and wear of cemented carbides in rock drilling as examined by a sliding wear test
Ingår i International journal of refractory metals & hard materials, s. 7-13, 2017.
Artikel i tidskrift
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Life time of cemented carbide inserts with Ni-Fe binder in steel turning
Ingår i Wear, s. 1822-1829, 2017.
Artikel i tidskrift
DOI för Life time of cemented carbide inserts with Ni-Fe binder in steel turning
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Surface degradation mechanisms of cemented carbide drill buttons in iron ore rock drilling
Ingår i Wear, s. 81-92, 2017.
Artikel i tidskrift
DOI för Surface degradation mechanisms of cemented carbide drill buttons in iron ore rock drilling
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Wear protective capacity of tribofilms formed on combustion engine valves with different surface textures
Ingår i Wear, s. 1429-1436, 2017.
Artikel i tidskrift
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Deep cryogenic treatment of tool steels
Ingår i Journal of Materials Processing Technology, s. 398-406, 2016.
Artikel i tidskrift
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Diverse mechanisms of friction induced self-organisation into a low-friction material - An overview of WS2 tribofilm formation
Ingår i Tribology International, s. 340-347, 2016.
Artikel i tidskrift
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Effect of Si and Al additions to carbon steel on material transfer and coating damage mechanism in turning with CVD coated tools
Ingår i Wear, s. 379-389, 2016.
Artikel i tidskrift
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Effect of Si and Cr additions to carbon steel on material transfer in a steel/TiN coated tool sliding contact
Ingår i Tribology International, s. 337-348, 2016.
Artikel i tidskrift
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Influence of Mn and Al additions to carbon steel on material transfer and coating damage mechanism in a sliding contact between steel and TiN coated HSS tool
Ingår i Tribology International, s. 414-424, 2016.
Artikel i tidskrift
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Initial wear of cemented carbides in sliding contact with different rock types
2016.
Konferensbidrag
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Insights into sliding wear and friction behavior of copper in ethanol containing alkylphosphonic acid molecules
Ingår i Tribology International, s. 141-148, 2016.
Artikel i tidskrift
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Investigation of material transfer in sliding friction-topography or surface chemistry?
Ingår i Tribology International, s. 213-223, 2016.
Artikel i tidskrift
DOI för Investigation of material transfer in sliding friction-topography or surface chemistry? Ladda ner fulltext (pdf) av Investigation of material transfer in sliding friction-topography or surface chemistry?
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Reply to a Comment on "Calculated Trajectories of Curling Stones under Assymetrical Friction: Validation of Published Models"
Ingår i Tribology letters, 2016.
Artikel i tidskrift
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A High-Resolution TEM/EELS Study of the Effect of Doping Elements on the Sliding Mechanisms of Sputtered WS2 Coatings
Ingår i Tribology Transactions, s. 113-118, 2015.
Artikel i tidskrift
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Formation and breakdown of oil residue tribofilms protecting the valves of diesel engines
Ingår i Wear, s. 193-198, 2015.
Artikel i tidskrift
DOI för Formation and breakdown of oil residue tribofilms protecting the valves of diesel engines
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Impact of fracture toughness on surface properties of PVD coated cold work tool steel
Ingår i Surface & Coatings Technology, s. 144-150, 2015.
Artikel i tidskrift
DOI för Impact of fracture toughness on surface properties of PVD coated cold work tool steel
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Initial degradation of cemented carbides for rock drilling - Model studies of the tribological contact against rock
Ingår i International journal of refractory metals & hard materials, s. 104-113, 2015.
Artikel i tidskrift
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INVESTIGATION OF MATERIAL TRANSFER IN SLIDING FRICTION-TOPOGRAPHY OR SURFACE CHEMISTRY?
2015.
Konferensbidrag
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Mechanisms behind the promising tribological performance of a boric acid based lubricant additive
Ingår i Proceedings of the 42th Leeds-Lyon Symposium on Tribology, 2015.
Konferensbidrag
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Progress in the development of the neutron flux monitoring system of the French GF:N-IV SFR: simulations and experimental validations.
Ingår i 2015 4Th International Conference On Advancements In Nuclear Instrumentation Measurement Methods And Their Applications (Animma), 2015.
Konferensbidrag
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Scuffing resistance testing of piston ring materials for marine two-stroke diesel engines and mapping of the operating mechanisms
Ingår i Wear, s. 42-48, 2015.
Artikel i tidskrift
DOI för Scuffing resistance testing of piston ring materials for marine two-stroke diesel engines and mapping of the operating mechanisms Ladda ner fulltext (pdf) av Scuffing resistance testing of piston ring materials for marine two-stroke diesel engines and mapping of the operating mechanisms
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Surface degradation of cemented carbides in scratching contact with granite and diamond: the roles of microstructure and composition
Ingår i Wear, s. 210-221, 2015.
Artikel i tidskrift
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Testing scuffing resistance of materials for marine 2-stroke engines: Difficulties with lab scale testing of a complex phenomenon
Ingår i Wear, s. 9-18, 2015.
Artikel i tidskrift
DOI för Testing scuffing resistance of materials for marine 2-stroke engines: Difficulties with lab scale testing of a complex phenomenon Ladda ner fulltext (pdf) av Testing scuffing resistance of materials for marine 2-stroke engines: Difficulties with lab scale testing of a complex phenomenon
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Formation and degradation of protective tribofilms on diesel engine valve surfaces
2014.
Konferensbidrag
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Influence of composition, structure and testing atmosphere on the tribological performance of W-S-N coatings
Ingår i Surface & Coatings Technology, s. 86-94, 2014.
Artikel i tidskrift
DOI för Influence of composition, structure and testing atmosphere on the tribological performance of W-S-N coatings Ladda ner fulltext (pdf) av Influence of composition, structure and testing atmosphere on the tribological performance of W-S-N coatings
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Mechanisms for compositional variations of coatings sputtered from a WS2 target
Ingår i Surface & Coatings Technology, s. 186-190, 2014.
Artikel i tidskrift
DOI för Mechanisms for compositional variations of coatings sputtered from a WS2 target
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Morphology and composition of tribofilms deposited using a tribochemical burnishing technique
Ingår i Tribology - Materials, Surfaces & Interfaces, s. 14-20, 2014.
Artikel i tidskrift
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On the sulphuric acid corrosion in large 2-stroke marine diesel engines
Ingår i Tribocorrosion 2014, 9-11 April 2014, University of Strathclyde, Glasgow, 2014.
Konferensbidrag
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Quantification of Combustion Valve Sealing Interface Sliding - A Novel Experimental Technique and Simulations
Ingår i Tribology International, s. 150-155, 2014.
Artikel i tidskrift
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Testing scuffing resistance of materials for marine 2-stroke engines: Difficulties with lab scale testing of a complex phenomenon
Ingår i Proceedings of 16th Nordic Symposium on Tribology, 2014.
Konferensbidrag
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The importance of oil and particle flow for exhaust valve wear - An experimental study
Ingår i Tribology International, s. 176-183, 2014.
Artikel i tidskrift
DOI för The importance of oil and particle flow for exhaust valve wear - An experimental study
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Tribochemical formation of sulphide tribofilms from a Ti-C-S coating sliding against different counter surfaces
Ingår i Tribology letters, s. 563-572, 2014.
Artikel i tidskrift
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Wear and friction properties of experimental Ti-Si-Zr alloys for biomedical applications
Ingår i Journal of The Mechanical Behavior of Biomedical Materials, s. 61-72, 2014.
Artikel i tidskrift
DOI för Wear and friction properties of experimental Ti-Si-Zr alloys for biomedical applications
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Wear mechanism differences of intake valves within heavy duty combustion engines
2014.
Konferensbidrag
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Wear mechanism study of intake valve system in modern heavy duty combustion engines
2014.
Konferensbidrag
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Calculated Trajectories of Curling Stones Sliding Under Asymmetrical Friction: Validation of Published Models
Ingår i Tribology letters, s. 379-385, 2013.
Artikel i tidskrift
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Comparison and analysis of protective tribofilms found on heavy duty exhaust valves from field service and made in test rig
Ingår i Wear, s. 1351-1359, 2013.
Artikel i tidskrift
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Design of low-friction PVD coating systems with enhanced running-in performance - carbon overcoats on TaC/aC coatings
Ingår i Surface & Coatings Technology, s. 48-54, 2013.
Artikel i tidskrift
DOI för Design of low-friction PVD coating systems with enhanced running-in performance - carbon overcoats on TaC/aC coatings Ladda ner fulltext (pdf) av Design of low-friction PVD coating systems with enhanced running-in performance - carbon overcoats on TaC/aC coatings
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Extreme friction reductions during inital running-in of W-S-C-Ti low-friction coatings
Ingår i 19th International Conference on Wear of Materials 2013; 14-18 April 2013; Portland, OR, USA, 2013.
Konferensbidrag
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Extreme friction reductions during inital running-in of W-S-C-Ti low-friction coatings
Ingår i Wear, s. 987-997, 2013.
Artikel i tidskrift
DOI för Extreme friction reductions during inital running-in of W-S-C-Ti low-friction coatings
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Frictional behavior of self-adaptive nanostructural Mo-Se-C coatings in different sliding conditions
Ingår i Wear, s. 286-296, 2013.
Artikel i tidskrift
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Influence of Ti addition on the structure and properties of low-friction W–S–C coatings
Ingår i Surface & Coatings Technology, s. 340-348, 2013.
Artikel i tidskrift
DOI för Influence of Ti addition on the structure and properties of low-friction W–S–C coatings
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Initiation of Galling in Metal Forming: Differences Between Aluminium and Austenitic Stainless Steel Studied In Situ in the SEM
Ingår i Tribology letters, s. 431-438, 2013.
Artikel i tidskrift
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Mechanical and tribological behavior of silicon nitride and silicon carbon nitride coatings for total joint replacements
Ingår i Journal of The Mechanical Behavior of Biomedical Materials, s. 41-47, 2013.
Artikel i tidskrift
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Nanoparticle based and sputtered WS2 low-friction coatings - Differences and similarities with respect to friction mechanisms and tribofilm formation
Ingår i Surface & Coatings Technology, s. 616-626, 2013.
Artikel i tidskrift
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Performance of DLC coatings in heated commercial engine oil
Ingår i Wear, s. 211-222, 2013.
Artikel i tidskrift
DOI för Performance of DLC coatings in heated commercial engine oil
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Piston ring and cylinder liner wear aggravation caused by transition to greener ship transports: Comparison of samples from test rig and field
Ingår i Wear, s. 1345-1350, 2013.
Artikel i tidskrift
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Structure and composition of silicon nitride and silicon carbon nitridecoatings for joint replacements
Ingår i Surface & Coatings Technology, s. 827-834, 2013.
Artikel i tidskrift
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The asymmetrical friction mechanism that puts the curl in the curling stone
Ingår i Wear, s. 583-589, 2013.
Artikel i tidskrift
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The asymmetrical friction mechanism that puts the curl in the curling stone
Ingår i Wear, s. 583-589, 2013.
Artikel i tidskrift
DOI för The asymmetrical friction mechanism that puts the curl in the curling stone
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Tribochemically Active Ti–C–S Nanocomposite Coatings
Ingår i Materials Research Letters, s. 148-155, 2013.
Artikel i tidskrift
DOI för Tribochemically Active Ti–C–S Nanocomposite Coatings Ladda ner fulltext (pdf) av Tribochemically Active Ti–C–S Nanocomposite Coatings
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Ultra-low friction of W-S-N solid lubricant coating
Ingår i Surface & Coatings Technology, s. 541-548, 2013.
Artikel i tidskrift
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Wear zones on retrieved metal femoral heads from metal-on-polymer hip prostheses
2013.
Konferensbidrag
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ANS Triboconditioning: In-Manufacture Running-in Process for Improving Tribological Properties of Mechanical Parts made of Steel and Cast Iron
Ingår i 18th International Colloquium Tribology – Industrial and Automotive Lubrication, Ostfildern, Germany, 2012.
Konferensbidrag
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Calculated trajectories of curling stones sliding under asymmetrical friction
Ingår i Nordtrib 2012, 15th Nordic Symposium on Tribology, 2012.
Konferensbidrag
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Coatings and surface treatments: interaction with lubricants
Ingår i The Handbook of Lubrication and Tribology, s. 41-1-41-13, 2012.
Kapitel i bok, del av antologi
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Complex frictional analysis of self-lubricant W-S-C/Cr coating
Ingår i Faraday discussions, s. 383-401, 2012.
Artikel i tidskrift
DOI för Complex frictional analysis of self-lubricant W-S-C/Cr coating
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Design of low-friction PVD coating systems with enhanced running-in performance - carbon overcoats on TaC/aC coatings
Ingår i Nordtrib 2012, 15th Nordic Symposium on Tribology, 2012.
Konferensbidrag
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Evaluation of silicon nitride as a wear resistant and resorbable alternative for total joint replacement
Ingår i Biomatter, s. 94-102, 2012.
Artikel i tidskrift
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Evaluation of TiB2 coatings in cold forming of aluminium
Ingår i Surface Engineering, s. 517-525, 2012.
Artikel i tidskrift
DOI för Evaluation of TiB2 coatings in cold forming of aluminium
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Fabrication and evaluation of SixNy coatings for total joint replacements
Ingår i Journal of materials science. Materials in medicine, s. 1879-1889, 2012.
Artikel i tidskrift
DOI för Fabrication and evaluation of SixNy coatings for total joint replacements
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Formation of tribologically beneficial layer on counter surface with smart chemical design of DLC coating in fuel contact
Ingår i Tribology - Materials, Surfaces & Interfaces, s. 102-108, 2012.
Artikel i tidskrift
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Friction and wear behaviour of low-friction coatings in conventional and alternative fuels
Ingår i Tribology International, s. 22-28, 2012.
Artikel i tidskrift
DOI för Friction and wear behaviour of low-friction coatings in conventional and alternative fuels
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Heavy duty exhaust valve simulation and evaluation in a test rig
Ingår i Nordtrib, Trondheim, 2012, 2012.
Konferensbidrag
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How tribological propertiesof DLC coatings vary in different engine oils at elevated temperature
Ingår i Nordtrib, Trondheim, Norge, 2012.
Konferensbidrag
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Initiation of galling in forming of ductile metals: – differences between aluminium and austenitic stainless steel studied in situ in the SEM
Ingår i Nordtrib, Trondheim, Norway, 2012, 2012.
Konferensbidrag
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Mechanical properties of SixNy- and SixCyNz-coatings for total joint replacements
Ingår i 15th Nordic Symposium on Tribology, NordTrib, Trondheim, Norway, June 12-15, 2012., 2012.
Konferensbidrag
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Mechanisms of material transfer studied in situ in the SEM: Explanations to the success of DLC coated tools in aluminium forming
Ingår i Wear, s. 49-60, 2012.
Artikel i tidskrift
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Mechanisms of transfer of aluminium to PVD-coated forming tools
Ingår i Tribology letters, s. 299-312, 2012.
Artikel i tidskrift
DOI för Mechanisms of transfer of aluminium to PVD-coated forming tools
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Mechanisms responsible for compositional variations of films sputtered from a WS2 target
Ingår i International Conference on Metallurgical Coatings and Thin films (ICMCTF) 23-27/04 2012, San Diego, abstract number:428, 2012.
Konferensbidrag
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Micro scratch testing of silicon nitride and silicon carbon nitride coatings
Ingår i Scandinavian Society for Biomaterials, the 5th Annual Meeting, Uppsala, Sweden, May 8-9, 2012., 2012.
Konferensbidrag
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New understanding of the initiation of material transfer and transfer layer build-up in metal forming: In situ studies in the SEM
Ingår i Wear, s. 61-73, 2012.
Artikel i tidskrift
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Performance and Tribofilm Formation of a Low-Friction Coating Incorporating Inorganic Fullerene Like Nano-Particles
Ingår i Surface & Coatings Technology, s. 2325-2329, 2012.
Artikel i tidskrift
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Protective tribofilm build up from exhaust residues on the surface on exhaust valve systems in a test rig
Ingår i Nordtrib, Trondheim, Norway, 2012, 2012.
Konferensbidrag
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Smart DLC coating top coating for reduction of counter surface wear in fuel contact
Ingår i Faraday Discussion 156: Tribology, 2012.
Konferensbidrag
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Sulfur-doping of nc-TiC/a-C films by reactive sputtering
Ingår i Thirteenth International Conference on Plasma Surface Engineering, Garmisch-Partenkirchen, Germany, 10-14 September 2012, 2012.
Konferensbidrag
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Test rig investigations of cylinder liner and piston ring wear caused by transition to greener ship transports: An initial study
Ingår i Nordtrib 2012, 15th Nordic Symposium on Tribology, Trondheim, June 12-15 2012, 2012.
Konferensbidrag
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The defect landscape and self-ordering mechanism of solid lubricant coatings exhibiting superlubricity
Ingår i Proceedings of the 15th European Microscopy Congress, s. 493-494, 2012.
Konferensbidrag
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The influence of grain size and surface treatment of the tribofilm formation on alumina components
Ingår i Wear, s. 17-24, 2012.
Artikel i tidskrift
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Tribofilm formation of lightly loaded self mated alumina contacts
Ingår i Wear, s. 39-45, 2012.
Artikel i tidskrift
DOI för Tribofilm formation of lightly loaded self mated alumina contacts
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Tribology of selenium-based solid lubricants alloyed with carbon
Ingår i Advances in lubrication, Costa Rica, 2012.
Konferensbidrag
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Wear study of coated heavy duty exhaust valve systems in a experimental test rig
2012.
Konferensbidrag
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Wear study of coated heavy duty exhaust valve systems in a experimental test rig
Ingår i SAE International technical papers, 2012.
Artikel i tidskrift
DOI för Wear study of coated heavy duty exhaust valve systems in a experimental test rig
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Hard low friction WSN coating deposited by magnetron sputtering: Sliding in dry nitrogen
2011.
Konferensbidrag
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On the influence from micro topography of PVD coatings on friction behaviour, material transfer and tribofilm formation
Ingår i Wear, s. 204-2057, 2011.
Artikel i tidskrift
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Tribological conditions of curling - the ultimate friction sport?
Ingår i 18th International Conference on Wear of Materials, Philadelphia, USA, April 3-7, 2011, 2011.
Konferensbidrag
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Wear mechanism study of exhaust valve system in modern heavy duty combustion engines
Ingår i Wear, s. 2477-2484, 2011.
Artikel i tidskrift
DOI för Wear mechanism study of exhaust valve system in modern heavy duty combustion engines
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Analysis of the wear and tribofilm formation on silicon nitride for total hip joint replacement
Ingår i Asiatrib 2010, 2010.
Konferensbidrag
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Friction behaviour of Fullerene Like WS2 nanoparticles in a Ni-matrix compared to PVD WS2 and MoS2 coatings
Ingår i ICMCTF, 2010.
Konferensbidrag
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Influence on surface micro topography of HSS surfaces from argon ion etch cleaning
2010.
Konferensbidrag
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Investigations of the friction behaviour and surface modifications for low-friction coatings in traditional and new alternative fuels
Ingår i NordTrib 2010, 2010.
Konferensbidrag
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Laboratory test simulation of aluminium cold forming – influence from PVD tool coatings on the tendency to galling
Ingår i Surface & Coatings Technology, s. 3606-3613, 2010.
Artikel i tidskrift
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On the influence from micro topography on the structure and growth of low friction amorphous carbon PVD coatings
Ingår i Twelfth International Conference on Plasma Surface Engineering (PSE 2010), September 13-17, 2010, Garmisch-Partenkirchen, 2010.
Konferensbidrag
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Resistance to abrasive wear – fundamental and practical aspects: Keynote Lecture
2010.
Konferensbidrag
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The Uppsala Load Scanner –Second generation
Ingår i Nordtrib 2010, Storforsen, Sweden, 2010.
Konferensbidrag
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Tribofilms: On the crucial importance of tribologically induced surface modifications
Ingår i Recent Developments in Wear Prevention, Friction and Lubrication, s. 197-225, 2010.
Kapitel i bok, del av antologi
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Tribological behaviour for low-friction coatings at conformal contact pressure in traditional and new-alternative fuels
Ingår i ASIATRIB 2010, PERTH, WESTERN AUSTRALIA, 5-9 DECEMBER 2010, 2010.
Konferensbidrag
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Influence from humidity on the alumina friction drive system of an ultrasonic motor
Ingår i Tribology International, s. 1467-1477, 2009.
Artikel i tidskrift
DOI för Influence from humidity on the alumina friction drive system of an ultrasonic motor
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Influence from tool roughness on the risk of work material adhesion and transfer
Ingår i Materials and Manufacturing Processes, s. 913-917, 2009.
Artikel i tidskrift
DOI för Influence from tool roughness on the risk of work material adhesion and transfer
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Laboratory test simulation of aluminium cold forming: influence from PVD coatings on the tool on the tendency to galling
s. 87-92 2009.
Konferensbidrag
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Laboratory test simulation of galling in cold forming of aluminium
Ingår i Wear, s. 2278-2286, 2009.
Artikel i tidskrift
DOI för Laboratory test simulation of galling in cold forming of aluminium
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On the role of tribofilm formation on the alumina drive components of an ultrasonic motor
Ingår i Wear, s. 1295-1300, 2009.
Artikel i tidskrift
DOI för On the role of tribofilm formation on the alumina drive components of an ultrasonic motor
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Potential of a new low-friction coating based on inorganic fullerens: comparison with state-of-the-art PVD coatings
s. 400- 2009.
Konferensbidrag
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The effect of grain size on the tribofilm formation on the alumina friction drive system of an ultrasonic motor
Ingår i ECOTRIB 09, s. 965-970, 2009.
Konferensbidrag
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The Role of Surface Treatment in the Tribofilm Formation on Alumina Friction Drive Components
Ingår i World tribology congress 2009, Kyoto, 2009.
Konferensbidrag
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A new view of the deterioration and wear of WC/Co cemented carbide rock drill buttons
Ingår i Wear, s. 1129-1141, 2008.
Artikel i tidskrift
DOI för A new view of the deterioration and wear of WC/Co cemented carbide rock drill buttons
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Chemical modification in wear tracks of chemical vapor deposited diamond surfaces studied with X-ray absorption spectroscopy
Ingår i Tribology letters, s. 31-34, 2008.
Artikel i tidskrift
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Designed high-friction surfaces: influence of roughness and deformation of the counter surface
Ingår i Wear, s. 807-814, 2008.
Artikel i tidskrift
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Influence from tool roughness on the risk of work material adhesion and transfer
2008.
Konferensbidrag
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Influences from humidity on the friction drive system of a piezoelectric motor
2008.
Konferensbidrag
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Lab test simulation of galling in cold forming of aluminium
Ingår i NordTrib 2008, 2008.
Konferensbidrag
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Residual stresses in TiN, DLC and MoS2 coated surfaces with regard to their tribological fracture behaviour
Ingår i Proceedings of the International conference Nordtrib 2008:, 2008.
Konferensbidrag
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Rock penetration into cemented carbide drill buttons during rock drilling
Ingår i Wear, s. 1142-1151, 2008.
Artikel i tidskrift
DOI för Rock penetration into cemented carbide drill buttons during rock drilling
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Targeting micro-sectioning: A technique to study subsurface features in worn specimens
Ingår i Wear, s. 1152-1156, 2008.
Artikel i tidskrift
DOI för Targeting micro-sectioning: A technique to study subsurface features in worn specimens
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Analysis of the tribofilm formation on the friction drive surfaces of a piezoelectric motor
Ingår i ASME/STLE International Joint Tribology Conference, Parts A and B, s. 871-872, 2007.
Konferensbidrag
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On adhesion in tribological contacts-Causes and consequences
Ingår i Tribologia, s. 3-16, 2007.
Artikel i tidskrift
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Textured surfaces for improved lubrication at high pressure and low sliding speed of roller/piston in hydraulic motors
Ingår i Tribology International, s. 355-359, 2007.
Artikel i tidskrift
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Textured surfaces in sliding boundary lubricated surfaces – mechanisms, possibilities and limitations
Ingår i Tribology - Materials, Surfaces & Interfaces, s. 181-189, 2007.
Artikel i tidskrift
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Tribological surfaces of a pneumatic clutch actuator
Ingår i Proceeding of ECOTRIB 2007, Slovenien Society for Tribology, June 12-15, 2007, s. 955-967, 2007.
Konferensbidrag
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Combiantion of DLC coatings and EP additivesfor improveds tribological behaviour of boundary lubricated surfaces
Ingår i Wear, s. 32-, 2006.
Artikel i tidskrift
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Combination of DLC coatings and EP additives for improved tribological behaviour of boundary lubricated surfaces
Ingår i Wear, s. 32-40, 2006.
Artikel i tidskrift
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Geometrically Defined All-Diamond Abrasive Surfaces for Pad Conditioning in Chemical Mechanical Polishing
Ingår i J Electrochem Soc, s. G1-G6, 2006.
Artikel i tidskrift
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Surface analysis of laser cladded Stellite exposed to self-mated high load dry sliding
Ingår i Wear, s. 96-100, 2006.
Artikel i tidskrift
DOI för Surface analysis of laser cladded Stellite exposed to self-mated high load dry sliding
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Surface modification of brake discs to reduce squeal prob-lems
Ingår i Wear, s. 53-57, 2006.
Artikel i tidskrift
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Surface modification of brake discs to reduce squeal problems
Ingår i Wear, s. 53-57, 2006.
Artikel i tidskrift
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Tribological texturing of steel surfaces with a novel diamond embossing tool technique
Ingår i Tribology International, s. 695-700, 2006.
Artikel i tidskrift
DOI för Tribological texturing of steel surfaces with a novel diamond embossing tool technique
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Wear induced material modification of cemented carbide rock drills
Ingår i Int. Journal of Refractory Metals and Hard Materials, s. 168-176, 2006.
Artikel i tidskrift
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Wear induced material modifications of cemented carbide rock drill buttons
Ingår i International journal of refractory metals & hard materials, s. 168-176, 2006.
Artikel i tidskrift
DOI för Wear induced material modifications of cemented carbide rock drill buttons
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A geometrically defined all-diamond pad conditioner
Ingår i World Tribology Congress III, Washington., 2005.
Konferensbidrag
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Effect of surface textures in highly loaded grease lubricated reciprocating sliding contacts
Ingår i World Tribology Congress III, Washington., 2005.
Konferensbidrag
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High Resolution Characterisation of Friction Induced Deformation using the FIB
Ingår i International Tribology Conference, Kobe., 2005.
Konferensbidrag
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Influence of EP additive concentration on the tribological behaviour of DLC-coated steel surfaces
Ingår i Surface and Coatings Technology, s. 357-366, 2005.
Artikel i tidskrift
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Possibilities for Optimisation of Low friction coatings
Ingår i International Tribology Conference, Kobe., 2005.
Konferensbidrag
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Reduction of Brake Squeal using Brake Disc Surface Modifications
Ingår i International Tribology Conference, Kobe., 2005.
Konferensbidrag
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Tribological conditions for successful solid lubrication
Ingår i International Tribology Conference, Kobe., 2005.
Konferensbidrag
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Contact pressure induced shifts in the friction behaviour of laser processed stellite
s. 340- 2004.
Konferensbidrag
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Friction and wear properties of micro textured DLC coated surfaces in boundary lubricated contacts
Ingår i Tribology letters, s. 553-559, 2004.
Artikel i tidskrift
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Micro-scratch evaluation of rock types - a means to comprehend rock drill wear
Ingår i Trib. Int, s. 203-210, 2004.
Artikel i tidskrift
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Penetrated rock as a weakening mechanism in cemented carbide rock drill wear.
Ingår i Nordtrib 2004, Tromsö, Norway, s. 627–636-, 2004.
Konferensbidrag
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Phase transformations in CVD diamond wear tracks revealed by NEXAFS mapping
Ingår i Nordtrib 2004, Tromsö, Norway, 2004.
Konferensbidrag
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Scratch Testing of a Dental Restorative Material based on Calcium Aluminate
Ingår i Ceramic Engineering and Science Proc, s. 577-, 2004.
Artikel i tidskrift
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Scratch testing of a dental restorative material based on calcium aluminate
Ingår i 28 th International Cocoa Beach Conference and Exposition on Advanced Ceramics & Composites, Cocoa Beach, 2004.
Konferensbidrag
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Surface modification of brake discs to reduce squealing problems."
Ingår i Nordtrib 2004, Tromsö, Norway, 2004.
Konferensbidrag
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The effect of embossed surface textures on the friction and wear in a boundary lubricated contact
Ingår i Nordtrib 2004, Tromsö, Norway, 2004.
Konferensbidrag
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Tribological behaviour of WC/C coatings operating under different lubrication regimes.
Ingår i Surface and Coatings Technology, s. 558-565., 2004.
Artikel i tidskrift
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Wear induced material modification of cemented carbide rock drills
Ingår i Conf on Hard Materials, Puert Rico, 2004.
Konferensbidrag
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Influence of surface texture on boundary lubricated sliding contacts
Ingår i Tribology International, s. 857-864, 2003.
Artikel i tidskrift
DOI för Influence of surface texture on boundary lubricated sliding contacts
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On the use of ceramic PVD coatings to replace metallic coatings in electrical contacts.
Ingår i Surface & Coatings Technology, s. 270-278, 1997.
Artikel i tidskrift
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Stationary loading, fretting and sliding of silver coated copper contacts: Influence of corrosion films and corrosive atmosphere
Ingår i Tribology International, s. 165-175, 1997.
Artikel i tidskrift
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Gross plastic fretting - examination of the gross weld regime.
Ingår i Wear, s. 255-264, 1996.
Artikel i tidskrift
DOI för Gross plastic fretting - examination of the gross weld regime.
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Gross plastic fretting - mechanical deterioration of silver coated electrical contacts.
Ingår i Wear, s. 244-254, 1996.
Artikel i tidskrift
DOI för Gross plastic fretting - mechanical deterioration of silver coated electrical contacts.
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How TiN coatings improve the performance of high speed steel cutting tools.
Ingår i Surface & Coatings Technology, s. 243-256, 1990.
Artikel i tidskrift
DOI för How TiN coatings improve the performance of high speed steel cutting tools.
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Investigation of material transfer in sliding friction-topography or surface chemistry?
Ingår i Tribology International
Artikel i tidskrift