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Tribological testing of some potential PVD and CVD coatings for steel wire drawing dies
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences.
2011 (English)In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 273, no 1, 55-59 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this study was to investigate the possibility to replace cemented carbide wire drawing dies with CVD or PVD coated steel dies. Material pick-up tendency, friction and wear characteristics of four different commercial coatings - CVD TiC and PVD (Ti,Al)N, CrN and CrC/C - in sliding contact with ASTM 52100 bearing steel were evaluated using pin-on-disc testing. The load bearing capacity of the coating/substrate composites was evaluated using scratch testing. The results show that the friction characteristics and material pick-up tendency of the coatings to a large extent is controlled by the surface topography of the as-deposited coatings which should be improved by a polishing post-treatment in order to obtain a smooth surface. Based on the results obtained in this study, three different coatings - CrC/C, TiC and dual-layer TiC/CrC/C - are recommended to be evaluated in wire drawing field tests. CrC/C and TiC are recommended due to their intrinsic low friction properties and material pick-up tendency in sliding contact with steel. The dual-layer is recommended in order to combine the good properties of the two coatings CrC/C (low shear strength) and TiC (high hardness). 

Place, publisher, year, edition, pages
2011. Vol. 273, no 1, 55-59 p.
Keyword [en]
Drawing die, PVD coating, CVD coating, Material transfer
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:uu:diva-260014DOI: 10.1016/j.wear.2011.06.020ISI: 000297902500010OAI: oai:DiVA.org:uu-260014DiVA: diva2:845996
Available from: 2015-08-13 Created: 2015-08-13 Last updated: 2017-12-04Bibliographically approved

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Nilsson, MariaOlsson, Mikael

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