High temperature and corrosion properties of cathodic-arc-plasma-deposited CrN coatings
作者： F.D. Lai , J.K. Wu
DOI: 10.1016/S0257-8972(09)90086-X
关键词: Metallurgy 、 Materials science 、 Cathodic protection 、 Annealing (metallurgy) 、 Coating 、 Corrosion 、 X-ray crystallography 、 Chromium nitride 、 Microstructure 、 Vacuum chamber 、 Materials Chemistry 、 General chemistry 、 Surfaces, Coatings and Films 、 Surfaces and Interfaces 、 Condensed matter physics
摘要: Abstract CrN film was deposited on a WC-30Co substrate using the cathodic arc plasma deposition process, and effects of annealing in nitrogen atmosphere vacuum chamber were investigated. comprises mainly β -Cr 2 N phases. Annealed at high temperature, it is possible to decompose Cr phase. The corrosion performance hardness coating are both excellent. Micrographs after potentiodynamic tests still show homogeneous Cr- N-rich phases corroded specimen. an 1000 °C, CrN-coated specimen has best resistance good hardness.
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