State of the art and prospects on laser surface modifications of titanium alloys for the aerospace industries

被引：3
|
作者：
Wang, HM [1 ]
Jiang, P [1 ]
Liu, YF [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Lab Laser Mat Proc & Surface Engn, Sch Mat, Beijing 100083, Peoples R China
来源：
LASERS IN MATERIAL PROCESSING AND MANUFACTURING | 2002年 / 4915卷
关键词：
laser cladding; laser surface alloying; titanium alloys; wear resistance; in-situ composites; coatings;
D O I：
10.1117/12.482881
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Laser surface alloying and laser cladding were applied to enhance the tribological properties of titanium alloys. Wear resistant Cr7C3/NiCr, T5Si3/T and Ti5Si3/NiT2 in-situ metal matrix and intermetallic matrix composite coatings were fabricated on substrate of titanium alloys by the laser surface processing processes. The room and elevated temperature tribological properties of the laser surface processed wear resistant composite coatings were evaluated as functions of coatings microstructural parameters and laser processing conditions. The responding wear mechanisms were discussed based on worn surface and debris morphologies observations. The potential applications of laser surface modifications of titanium alloys for the aerospace industries are prospected.
引用
收藏
页码：167 / 172
页数：6
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