Stress-rupture behavior of a Re-containing Ni-base single crystal superalloy at high temperatures

doi:10.1016/j.jmst.2023.02.035

IMR OpenIR

	Stress-rupture behavior of a Re-containing Ni-base single crystal superalloy at high temperatures
	Wang, G. L.; Qi, D. Q.; Liu, J. L.; Liu, J. D.; Li, J. G.; Zhou, Y. Z.; Sun, X. F.
通讯作者	Liu, J. D.(jlliu@imr.ac.cn)
	2023-11-10
发表期刊	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN	1005-0302
卷号	163 页码:237-244
摘要	A Re-containing Ni-base single crystal superalloy was used to investigate the elementary processes associated with stress-rupture behavior at different temperatures where the gamma' rafting occurs. At 900 degrees C, the rupture behavior is mainly determined by the multiplication of dislocations within the widening gamma channels, which is closely linked with the propagation of microcracks along the inherent gamma/gamma' interfaces. The rapid formation of lamella gamma/gamma' raft structure, along with the developed-well interfacial dislocation networks, and its elastic instability are primarily responsible for the rupture behavior at 1100 degrees C. There is a clear curvature tendency in the Larson-Miller plot of stress-rupture lifetime in relation to stress at high temperatures. It indicates that the influence extent of gamma' rafting on stress-rupture behavior is sensitive to the acting conditions of temperature and stress. (c) 2023 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
关键词	Ni-based single crystal superalloy Re effect gamma ' rafting Stress-rupture behavior Elementary process Larson-Miller plot
资助者	National Science and Technology Major Project ; National Natural Science Foundation of China ; National Key Ramp;D Program of China
DOI	10.1016/j.jmst.2023.02.035
收录类别	SCI
语种	英语
资助项目	National Science and Technology Major Project[J2019 -VI -0023-0139] ; National Science and Technology Major Project[J2019-VII -0 0 04-0144] ; National Natural Science Foundation of China[51871221] ; National Key Ramp;D Program of China[2020YFA0714900]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001029006600001
出版者	JOURNAL MATER SCI TECHNOL
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/178622
专题	中国科学院金属研究所
通讯作者	Liu, J. D.
作者单位	Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Wang, G. L.,Qi, D. Q.,Liu, J. L.,et al. Stress-rupture behavior of a Re-containing Ni-base single crystal superalloy at high temperatures[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2023,163:237-244.
APA	Wang, G. L..,Qi, D. Q..,Liu, J. L..,Liu, J. D..,Li, J. G..,...&Sun, X. F..(2023).Stress-rupture behavior of a Re-containing Ni-base single crystal superalloy at high temperatures.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,163,237-244.
MLA	Wang, G. L.,et al."Stress-rupture behavior of a Re-containing Ni-base single crystal superalloy at high temperatures".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 163(2023):237-244.