| Microstructure and Wear Resistance of Plasma Jet Clad Ti5Si3／NiTi Composite Coating |
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| 作者姓名： | LIUYuan-Fu HANJian-Min ZHANGGu-Ling WANGJiu-Li LIMin YANGWu-Bao LIUChi-Zi LIHui-Qi YANGSi-Ze |
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| 作者单位： | [1]1nstituteofPhysics,ChineseAcademyofSciences,Beijing100080 [2]SchoolofMechanical,ElectronicandControlEngineering,BeijingJiaotongUniversity,Beijing100044 [3]SchoolofMaterialsScienceandEngineering,UniversityofScienceandTechnologyBeijing,Beijing100083 |
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| 摘 要： | A wear resistant Ti5Si3/NiTi composite coating was fabricated on a substrate of a titanium alloy by plasma jet cladding using Ni-Ti-Si elemental powder blends. The microstructure, microhardness and wear resistance of the coating were evaluated. The result shows that the plasma jet clad composite coating has a rapidly solidified microstructure consisting of blocky primary Ti5Si3 and the inter-blocky Ti5Si3/NiTi eutectics and is metallurgically bonded to the titanium substrate. The composite coating has high hardness and excellent wear resistance under the dry-sliding-wear test condition.
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| 关 键 词： | 显微结构 电阻损耗 等离子体喷射 钛硅合金 镍钛合金 显微硬度 |
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