Intermediate temperature creep of directionally solidified Ni-based superalloy containing local recrystallization

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	Intermediate temperature creep of directionally solidified Ni-based superalloy containing local recrystallization
	G. Xie; L. Wang; J. Zhang; L. H. Lou
	2011
发表期刊	Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN	0921-5093
卷号	528 期号:7-8 页码:3062-3068
摘要	Intermediate temperature creep of directionally solidified Ni-based superalloys containing local recrystallization (RX) was studied. A sharp reduction of the creep rupture life was observed with increasing the transverse RX area fraction on the cross section of the specimen. Creep curves of specimens containing local RX showed that the steady state creep stage was much shorter than that of the "good" specimens. The creep rates were also slightly higher when there was local RX. The creep and failure mechanism was discussed based on the dislocation morphology in the vicinity of the RX grain boundaries and the formation and propagation of cracks in the RX region according to the microstructure observation of the interrupted creep specimens. (C) 2011 Elsevier B.V. All rights reserved.
部门归属	[xie, g.; wang, l.; zhang, j.; lou, l. h.] chinese acad sci, superalloys div, inst met res, shenyang 110016, peoples r china. [zhang, j.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china.;zhang, j (reprint author), chinese acad sci, superalloys div, inst met res, 72 wenhua rd, shenyang 110016, peoples r china;jianzhang@imr.ac.cn
关键词	Recrystallization Superalloy Creep Crack Creep Rupture Life Single-crystal Superalloy Nickel-based Superalloy Surface Recrystallization Behavior Cmsx-4
URL	查看原文
WOS记录号	WOS:000288297300006
引用统计	被引频次：10[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/321006/30786
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	G. Xie,L. Wang,J. Zhang,et al. Intermediate temperature creep of directionally solidified Ni-based superalloy containing local recrystallization[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2011,528(7-8):3062-3068.
APA	G. Xie,L. Wang,J. Zhang,&L. H. Lou.(2011).Intermediate temperature creep of directionally solidified Ni-based superalloy containing local recrystallization.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,528(7-8),3062-3068.
MLA	G. Xie,et al."Intermediate temperature creep of directionally solidified Ni-based superalloy containing local recrystallization".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 528.7-8(2011):3062-3068.