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Carbon Based Coatings with Improved Fracture and Wear Resistance

  • M. KotEmail author
  • L. Major
  • J. Lackner
  • W. Rakowski
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 526)

Abstract

The paper presents the results of mechanical and tribological tests of two kinds of carbon coatings with advanced microstructures - nanocomposite CrC/a-C:H and multilayer TiN/Ti/a-C:H. The introduction of barriers for dislocation motion and microcrack propagation as CrC nanograins in nanocomposite coating or Ti and TiN interlayers in multilayer led to coatings hardening and improved fracture and wear resistance in comparison to a single amorphous a-C:H coating. It was confirmed by wide range of mechanical tests. The mechanism of microcrack deflection and splitting on CrC nanograins and Ti layers was studied using spherical indentation tests and TEM observations of indent cross-sections.

Keywords

Carbon coatings Nanocomposite coatings Multilayers Hardness Fracture Wear Tribology 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.AGH University of Science and TechnologyCracowPoland
  2. 2.Institute of Metallurgy and Materials Science, Polish Academy of SciencesKrakowPoland
  3. 3.Joanneum Research Forschungsges mbH, Institute of Surface Technologies and Photonics, Functional SurfacesNiklasdorfAustria

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