Stress relaxation behavior and creep rupture property of GH4145 alloy

被引：0
|
作者：
Zeng, Yanping [1 ]
Yao, Dazhi [1 ]
Du, Haojie [1 ]
Cai, Wenhe [2 ]
Wang, Zhichun [2 ]
Dong, Shuqing [2 ]
Li, Weili [2 ]
Zhao, Weidong [2 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
[2] North China Elect Power Res Inst Co Ltd, Beijing 100045, Peoples R China
来源：
PROCEEDINGS OF THE 2016 3RD INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING, MANUFACTURING TECHNOLOGY AND CONTROL | 2016年 / 67卷
关键词：
GH4145; alloy; stress relaxation behavior; creep rupture property; INCONEL X-750; GROWTH; PRECIPITATION; PARTICLES; GAMMA';
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The stress relaxation behavior and creep rupture property of GH4145 alloy were studied. The results show that GH4145 alloy has good resistance to stress relaxation. During the stress relaxation test at 566 degrees C, the coarsening rate of secondary gamma' particles was very slow and the hardness of the alloy increased due to the increase in the volume fraction of the dispersed secondary gamma' particles and the precipitation of tertiary gamma' particles. The relational expression between stress and creep rupture life for GH4145 alloy at 566 degrees C was obtained. The creep rupture strength for times longer than that of the experimental data can be estimated by using this equation.
引用
收藏
页码：1052 / 1056
页数：5
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