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Residual stresses in TiN, DLC and MoS2 coated surfaces with regard to their tribological fracture behaviour

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Author

  • K Holmberg
  • H Ronkainen
  • A. Laukanen
  • K Wallin
  • S Hogmark
  • S Jacobson
  • Per Ståhle

Summary, in English

Thin hard coatings on components and tools are used increasingly due to the rapid development in deposition techniques, tribological performance and application skills. The residual stresses in a coated surface are crucial for its tribological performance. Compressive residual stresses in PVD deposited TiN and DLC coatings were measured to be in the range of 0.03–4 GPa on steel substrate and 0.1–1.3 GPa on silicon. MoS2 coatings had tensional stresses in the range of 0.8–1.3 on steel and 0.16 GPa compressive stresses on silicon. The fracture pattern of coatings deposited on steel substrate were analysed both in bend testing and scratch testing. A micro-scale finite element method (FEM) modelling and stress simu- lation of a 2

Department/s

Publishing year

2009

Language

English

Pages

2142-2156

Publication/Series

Wear

Volume

267

Issue

12

Document type

Journal article

Publisher

Elsevier

Topic

  • Mechanical Engineering

Keywords

  • Coatings Residual stresses TiN
  • DLC
  • MoS2
  • FEM modelling

Status

Published

ISBN/ISSN/Other

  • ISSN: 0043-1648