期刊
SURFACE & COATINGS TECHNOLOGY
卷 354, 期 -, 页码 175-183出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2018.09.028
关键词
TiN coating; Microstructure; Arc ion plating; Hardness; Tribological properties
资金
- National Key R&D Program of China [2017YFB0306100]
- National Natural Science Foundation of China [51671053, 51701223]
- joint fund of the Equipment Pre-research
- Ministry of Education of China [6141A020332-004]
- Fundamental Research Funds for the Central Universities [N160205001]
TiN and Ti(Ru)N (3 wt%, Ru) coatings were deposited on Ti6A14V substrate by arc ion plating method. Ti(Ru)N coating exhibits golden luster as the TiN coating does. From XRD, XPS and TEM investigations, Ru addition refines the TiN grains and Ti(Ru)N coating can be concluded as a kind of composite layer, which is mixed by Ru-containing amorphous part and crystalline TiN phases. The related hardening mechanism of Ru addition in TiN coating is fine grain strengthening. Wear resistance of Ti(Ru)N coating is significantly better than that of TiN coating, due to its higher hardness, higher H/E value and lower COF value. Improved wear performance of Ti (Ru)N coatings is mainly contributed to the mechanism of fine grain strengthening, which delays the occurrence of pitting of large-scale peel-off behavior like TiN coating.
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