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Microstructural evolution of a directionally solidified nickel-base superalloy during thermal fatigue
Xia Pengcheng1,2; Yang Lei1; Yu Jinjiang2; Sun Xiaofeng2; Guan Hengrong2; Hu Zhuangqi2
Corresponding AuthorXia Pengcheng(xpc328@126.com)
2011-03-01
Source PublicationRARE METALS
ISSN1001-0521
Volume30Pages:477-481
AbstractThe transition of gamma' phase and dislocation during thermal fatigue test was investigated. There is gamma' denuded region in two sides and the tip of thermal fatigue crack because of oxidation during thermal fatigue test. gamma' phase coarsens and rafts. The direction of gamma' rafting is perpendicular to the orientation of crystal growth. High density dislocations are found near crack. Single dislocation moves in the matrix apart from crack. A few dislocations shear gamma' phase because of relatively low strength of gamma' phase at high temperature.
Keywordnickel-base superalloy thermal fatigue gamma ' rafting dislocations
Funding OrganizationNational Basic Research Program (973 Program) of China ; National Natural Science Foundation of China (NSFC)
DOI10.1007/s12598-011-0328-z
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program (973 Program) of China[2010CB631200 (2010CB631206)] ; National Natural Science Foundation of China (NSFC)[50931004]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000303126300102
PublisherNONFERROUS METALS SOC CHINA
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105419
Collection中国科学院金属研究所
Corresponding AuthorXia Pengcheng
Affiliation1.Shandong Univ Sci & Technol, Sch Mat Sci & Engn, Qingdao 266510, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Xia Pengcheng,Yang Lei,Yu Jinjiang,et al. Microstructural evolution of a directionally solidified nickel-base superalloy during thermal fatigue[J]. RARE METALS,2011,30:477-481.
APA Xia Pengcheng,Yang Lei,Yu Jinjiang,Sun Xiaofeng,Guan Hengrong,&Hu Zhuangqi.(2011).Microstructural evolution of a directionally solidified nickel-base superalloy during thermal fatigue.RARE METALS,30,477-481.
MLA Xia Pengcheng,et al."Microstructural evolution of a directionally solidified nickel-base superalloy during thermal fatigue".RARE METALS 30(2011):477-481.
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