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Influence of aging treatment on the microstructure and properties of 17-4PH alloy by laser rapid forming
文献类型:期刊
作者:Wang, Jun[1]  Lin, Xin[2]  Huang, Chunping[3]  Yang, Haiou[4]  Huang, Weidong[5]  
机构:[1]State Key Laboratory of Solidification Processing, Northwestern Polytechnic University, Xi'an, Shaanxi 710072, China
[2]State Key Laboratory of Solidification Processing, Northwestern Polytechnic University, Xi'an, Shaanxi 710072, China
[3]State Key Laboratory of Solidification Processing, Northwestern Polytechnic University, Xi'an, Shaanxi 710072, China
[4]State Key Laboratory of Solidification Processing, Northwestern Polytechnic University, Xi'an, Shaanxi 710072, China
[5]State Key Laboratory of Solidification Processing, Northwestern Polytechnic University, Xi'an, Shaanxi 710072, China
通讯作者:Huang, W.(huang@nwpu.edu.cn)
年:2011
期刊名称:Zhongguo Jiguang/Chinese Journal of Lasers
卷:38
期:12
增刊:正刊
收录情况:EI(20120214676574)  
所属部门:材料学院
人气指数:1858
浏览次数:1825
摘要:
Influence of heat treatment on microstructures and properties of 17-PH alloy by laser solid forming (LSF) process is investigated. Results of optic microscope (OM) and scanning electron microscope (SEM) show that main microstructure of LSF 17-4PH includes quenched martensite, tempered martensite and second precipitated phase. As aging temperature increases, martensite becomes smaller and more uniform. Rate of transformation from quenched martensite to tempered martensite is accelerated. Precipit ...More
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