Low cycle fatigue life prediction of GH909 superalloy at elevated temperature

被引：0
|
作者：
Zhang, Shichao [1 ,2 ,3 ]
Yu, Huichen [1 ,2 ,3 ]
Li, Ying [1 ,2 ,3 ]
Zhao, Yuxin [2 ,3 ]
机构：
[1] Beijing Key Lab Aeronaut Mat Testing & Evaluat, Beijing 100195, Peoples R China
[2] Natl Key Lab Sci & Technol Adv High Temp Struct M, Beijing 100195, Peoples R China
[3] Beijing Inst Aeronaut Mat, Beijing 100195, Peoples R China
来源：
FROM FAILURE TO BETTER DESIGN, MANFACTURE AND CONSTRUCTION | 2012年
关键词：
Low expansion superalloy; Low cycle fatigue; Fatigue life; Life prediction;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Low cycle fatigue experiments of low expansion superalloy GH909 at high temperatures of 400 degrees C and 650 degrees C were conducted on servohydraulic test machine by the method of axial strain control. The relationship of strain and life, cyclic strain and stress of the alloy at different temperatures were investigated. The prediction results show that Manson-Coffin model and three-parameter power function give a better life prediction than Ostergren model at different temperatures.
引用
收藏
页码：147 / 151
页数：5
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