Journal
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
Volume 127, Issue 8, Pages 564-569Publisher
CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
DOI: 10.2109/jcersj2.18201
Keywords
TiSiN coating; Microstructure; Residual stress; Microhardness; Adhesion strength
Categories
Funding
- National Natural Science Foundation of China [51304124]
- Hubei Province Natural Science Foundation of China [2018CFB653]
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A series of TiSiN coatings were deposited on the surface of Ti(C,N) based cermets by multi-arc ion plating technique with different substrate negative bias. The microstructure, composition and mechanical properties of the coatings were studied. The results showed that the TiSiN coating showed a typical columnar growth, and composed of TiN, amorphous Si3N4 and a few TiSi2 phases. There was an element diffusion at the interface between the substrate, transition layer and coating, which resulted in a relatively smaller compressive residual stress in the coating and relatively higher adhesion of the coating on substrate. For the coating with the substrate negative bias of -200 V, it had a relatively higher hardness, adhesion strength and wear resistance, and the wear mechanisms were adhesive and oxidative wear. (C) 2019 The Ceramic Society of Japan. All rights reserved.
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