Tribological Behavior of Ti2AlNb Alloy by Surface plasmas Carburized

被引：0
|
作者：
Zhu, Dan Yang [1 ]
Liang, Wen Ping [1 ]
Miao, Qiang [1 ]
Guo, Kai [1 ]
Li, Long [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Peoples R China
来源：
ADVANCED COMPOSITE MATERIALS, PTS 1-3 | 2012年 / 482-484卷
关键词：
Ti2AlNb orthorhombic alloy; double glow plasma surface carburizing; Micro hardness; wear resistance; ORTHORHOMBIC PHASE;
D O I：
10.4028/www.scientific.net/AMR.482-484.914
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
In order to improve the wear resistance of Ti2AlNb orthorhombic alloy, the carburized coating has been successfully prepared on Ti2AlNb alloy by double glow plasma technology. The microstructure, chemical composition and phase structure of the carburized coating were analyzed by means of SEM, EDS and XRD. The Micro hardness of the alloy layer was measured, and the bond strength of carburized coating with substrate was also evaluated by scratch test. The tribological behaviors of layer were investigated by friction-wear test. The results show that a carburized layer is formed which is about 40 mu m and the content of C gradient decrease after double glow plasma carburizing, the Micro hardness of the layer is 1051 HV0.1 and the bond of the coating is 62N, the tribological behavior of layer is much better than matrix.
引用
收藏
页码：914 / 918
页数：5
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