期刊
TRIBOLOGY INTERNATIONAL
卷 90, 期 -, 页码 84-95出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2015.04.028
关键词
Polycrystalline diamond (PCD); Composite; Sliding wear; Wear mechanism
资金
- International S&T Cooperation Program of China [2012DFR70160]
The friction and casing wear properties of PCD reinforced WC matrix composites were investigated using a cylinder-on-ring wear-testing machine against N80 casing steel counterface under dry sliding conditions. The results indicate that the friction and casing wear rate of PCD reinforced WC matrix composites are the lowest among the materials. As the applied load and sliding speed steadily increase, the friction coefficients of PCD reinforced WC matrix composites decrease. In addition, the casing wear rates increase with increasing load, but decline with sliding velocity. The dominant wear mechanism of the PCD composite is the micro-cutting wear, accompanied by adhesive wear. (C) 2015 Elsevier Ltd. All rights reserved.
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