Dry sliding friction and casing wear behavior of PCD reinforced WC matrix composites |
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| Affiliation: | 1. CIRIMAT, Université de Toulouse, ENSIACET, BP 44362, 31030 Toulouse, Cedex 4, France;2. Centre de Microcaractérisation Raimond Castaing, Université de Toulouse, UPS – CNRS – INPT – INSA, UMS 3623, 3 rue Caroline Aigle, 31400 Toulouse, France;3. Institut für Materialphysik im Weltraum, Deutsches Zentrum für Luft- und Raumfahrt (DLR), 51170 Köln, Germany;4. Dept. of Metallurgy and Materials Engineering, Universitas Indonesia, Kampus Baru UI Depok, 16424, Indonesia;1. State Key Laboratory of Coal Resources and Safe Ming, China University of Mining & Technology, Xuzhou, Jiangsu 221116, PR China;2. Faculty of Safety Engineering, China University of Mining & Technology (CUMT), Xuzhou, Jiangsu 221116, PR China |
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| Abstract: | 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. |
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| Keywords: | Polycrystalline diamond (PCD) Composite Sliding wear Wear mechanism |
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