Enhancing toughness of CrN coatings by Ni addition for safety-critical applications》.pdfVIP

Materials Science Engineering A 596 (2014) 264–274 Contents lists available at ScienceDirect Materials Science Engineering A journal homepage: /locate/msea Enhancing toughness of CrN coatings by Ni addition for safety-critical applications Pui Ching Wo a,n, Paul R. Munroe b, Zhong-Tao Jiang c, Zhifeng Zhou d, Kwok Yan Li d, Zonghan Xie e a School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USA b School of Materials Science and Engineering, University of New South Wales, Sydney, UNSW 2052, Australia c Physics and Nanotechnology, School of Engineering and Information Technology, Murdoch University, Murdoch 6150, Australia d Advanced Coatings Applied Research Laboratory, Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong, PR China e School of Mechanical Engineering, University of Adelaide, SA 5005, Australia a r t i c l e i n f o a b s t r a c t Article history: CrN is one of the most important transition metal nitrides, used as protective and anti-wear coating Received 26 October 2013 in modern engineering applications. However, CrN coatings are typically brittle and susceptible Received in revised form to catastrophic failure. In this paper, CrNiN coatings with differing Ni contents were deposited on tool 16 December 2013 steel substrates using a closed field unbalanced magnetron sputtering system. The effects of Ni addition Accepted 17 December 2013 Available online 24 December 2013