INFLUENCE OF Cu CONTENT ON PREFERRED ORIENTATION AND PROPERTIES OF CrCuN COATINGS

Shuyong Tan, Xuhai Zhang, Rui Zhen and Zhangzhong Wang
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Shuyong Tan: School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China†Jiangsu Key Laboratory of Advanced Structural, Materials and Application Technology, Nanjing 211167, P. R. China
Xuhai Zhang: #x2021;School of Material Science and Engineering, Southeast University, Nanjing 211189, P. R. China
Rui Zhen: School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China†Jiangsu Key Laboratory of Advanced Structural, Materials and Application Technology, Nanjing 211167, P. R. China
Zhangzhong Wang: School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China†Jiangsu Key Laboratory of Advanced Structural, Materials and Application Technology, Nanjing 211167, P. R. China

Surface Review and Letters (SRL), 2020, vol. 27, issue 03, 1-8

Abstract: CrCuN coatings were deposited using double target co sputtering by DC pulsed magnetron reactive sputtering. The Cu content increases from 0.7at.% to 5.5at.% with the increase of Cu target current from 0.08 to 0.24A. The influence of Cu content on preferred orientation and properties of CrCuN coatings was investigated. The results show that CrCuN coatings are mainly composed of CrN phase. Except for the coating containing 4.2at.% Cu, the other CrCuN coatings show CrN(111) preferred orientation. All the coatings have loose structure, which is chiefly responsible for unsatisfactory hardness. The oriented growth plays an important role in the change of coating hardness with Cu content.

Keywords: CrCuN coatings; double target co sputtering; preferred orientation; hardness (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1142/S0218625X19501130

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