Gamma prime stability and its influence on tensile behavior of a wrought superalloy with different Fe contents

IMR OpenIR

	Gamma prime stability and its influence on tensile behavior of a wrought superalloy with different Fe contents
	Wang, Chang Shuai; Guo, Yong An; Guo, Jian Ting; Zhou, Lan Zhang; Wang, CS; Zhou, LZ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
	2016-05-14
发表期刊	JOURNAL OF MATERIALS RESEARCH
ISSN	0884-2914
卷号	31 期号:9 页码:1361-1371
摘要	Gamma prime (gamma') stability and its influence on tensile behavior of a newly developed wrought superalloy with various Fe contents was studied both experimentally and thermodynamically. The results show that the gamma'-solvus temperature is higher and gamma-gamma' lattice mismatch is bigger in the alloy with the lower Fe content. During long-term thermal exposure at 650-750 degrees C, the coarsening behavior of gamma' precipitates follows Ostwald ripening kinetics and the lower Fe content can decrease the coarsening rate of gamma' precipitates due to the increase of the activation energy for gamma' coarsening. Moreover, the lower Fe content can retard the transformation from gamma' to eta phase. The tensile properties of the alloys with different Fe contents are almost same after standard heat treatment. However, after thermal exposure, the decrease of tensile strength in the alloy with lower Fe content is less than that of the alloys with higher Fe content due to the improvement of gamma' stability.
部门归属	[wang, chang shuai ; guo, yong an ; guo, jian ting ; zhou, lan zhang] chinese acad sci, inst met res, shenyang 110016, peoples r china
学科领域	Materials Science
资助者	National High Technology Research and Development Program of China (863 Program) [2012AA03A501]; National Natural Science Foundation of China [51301171]; National Energy Administration Program of China [NY20150102-1]
收录类别	sci
语种	英语
WOS记录号	WOS:000377754500019
引用统计	被引频次：19[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/75877
专题	中国科学院金属研究所
通讯作者	Wang, CS; Zhou, LZ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式 GB/T 7714	Wang, Chang Shuai,Guo, Yong An,Guo, Jian Ting,et al. Gamma prime stability and its influence on tensile behavior of a wrought superalloy with different Fe contents[J]. JOURNAL OF MATERIALS RESEARCH,2016,31(9):1361-1371.
APA	Wang, Chang Shuai,Guo, Yong An,Guo, Jian Ting,Zhou, Lan Zhang,Wang, CS,&Zhou, LZ .(2016).Gamma prime stability and its influence on tensile behavior of a wrought superalloy with different Fe contents.JOURNAL OF MATERIALS RESEARCH,31(9),1361-1371.
MLA	Wang, Chang Shuai,et al."Gamma prime stability and its influence on tensile behavior of a wrought superalloy with different Fe contents".JOURNAL OF MATERIALS RESEARCH 31.9(2016):1361-1371.