| Original Articles |
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Microstructure and Wear Resistance of Plasma Jet Clad Ti5Si3/NiTi Composite Coating |
| LIU Yuan-Fu1,2;HAN Jian-Min2;ZHANG Gu-Ling1;WANG Jiu-Li1;LI Min3;YANG Wu-Bao1;LIU Chi-Zi1;LI Hui-Qi3;YANG Si-Ze1 |
| 1Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044
3School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083 |
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| Cite this article: |
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LIU Yuan-Fu, HAN Jian-Min, ZHANG Gu-Ling et al 2004 Chin. Phys. Lett. 21 1314-1316 |
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Abstract 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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| Keywords:
52.75.Hn
68.55.Nq
62.20.Qp
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Published: 01 July 2004
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| PACS: |
52.75.Hn
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(Plasma torches)
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68.55.Nq
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(Composition and phase identification)
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62.20.Qp
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(Friction, tribology, and hardness)
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