| TC9激光熔覆TiN涂层的组织与耐磨性的研究 |
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| 引用本文： | 陈赤囡.TC9激光熔覆TiN涂层的组织与耐磨性的研究[J].北京航空航天大学学报,1998,24(3):253-255. |
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| 作者姓名： | 陈赤囡 |
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| 作者单位： | 北京航空航天大学 材料科学与工程系 |
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| 摘 要： | 通过SEM观察,EDX、XRD分析,以及显微硬度测试和干滑动摩擦磨损试验,研究了TC9表面激光熔覆TiN涂层的显微组织、硬度分布及耐磨性.结果表明:激光熔覆TiN涂层与基材结合紧密,熔覆层的显微组织中弥散分布着大量的大大小小的枝晶TiN和未熔TiN 等硬质点相,TC9表面激光熔覆TiN 涂层具有比基材TC9高得多的耐磨性.
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| 关 键 词： | 钛合金 显微组织 耐磨性 激光熔覆 硬质点相 |
| 收稿时间： | 1997-10-20 |
Study on Microstructure and Aabrasive Resistance of Laser Cladding TiN Surface Alloyed TC9 |
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| Chen Chinan,Su Mei.Study on Microstructure and Aabrasive Resistance of Laser Cladding TiN Surface Alloyed TC9[J].Journal of Beijing University of Aeronautics and Astronautics,1998,24(3):253-255. |
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| Authors: | Chen Chinan Su Mei |
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| Institution: | Beijing University of Aeronautics and Astronautics,Dept. of Materials Science and Engineering |
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| Abstract: | Laser surface cladding with TiN is
utilized to improve the wear resistance of TC9 titanium alloy. Microstructure and phase
constitution are studied by using SEM, EDX and XRD. Microhardness measurements and wear
experiments without lubrication are performed to test the properties. The experimental
results show that there is a strong bonding between the laser surface cladded layer and
the substrate. TiN dentrites of different size and unmelted TiN particles exist in the
laser surface cladded layer. Unlubricated sliding wear test shows that wear resistance of
TC9 alloy laser surface cladded with TiN is improved noticeably compared with that of the
substrate. |
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| Keywords: | titanium alloys micro structure wear resistance laser cladding hard partide phase |
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