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Effect of Orientation on Stress-Rupture Property and Related Deformation Microstructure of a Ni-Base Re-containing Single-Crystal Superalloy at 900 degrees C

文献类型：期刊论文

作者Wang, Guang-Lei1,2; Liu, Jin-Lai2; Liu, Ji-De2; Zhou, Yi-Zhou2; Sun, Xu-Dong1; Zhang, Hai-Feng1,2; Sun, Xiao-Feng2
刊名ACTA METALLURGICA SINICA-ENGLISH LETTERS
出版日期2020-10-13
页码10
关键词Nickel-base superalloy Stress-rupture property Orientation effect Deformation microstructure Fracture behavior
ISSN号1006-7191
DOI10.1007/s40195-020-01131-y
通讯作者Liu, Jin-Lai(jlliu@imr.ac.cn) ; Liu, Ji-De(jdliu@imr.ac.cn)
英文摘要Stress-rupture properties of a Ni-base Re-containing single-crystal superalloy with three orientations have been tested under 900 degrees C/445 MPa. An obvious anisotropy of stress-rupture property is attributed to orientation reliant deformation microstructure. The good strength in [001] orientation is attributed to the rapid multiplication of dislocations active in horizontal channels and later gamma'cutting via dislocations pair coupled with anti-phase boundary. The microtwin formation largely limits the strength and plasticity as a result of the continuous shearing across gamma/gamma'microstructure by {111}< 112 & rang; slip activated in [011] orientation. The property in [111] orientation results mainly from the lateral cross-slip movements of the screw dislocations within connected matrix channels as well as the precipitate shearing by coplanar dislocations. Microcracks all initially originate from the interdendritic micropores in three orientations. The critical temperature of stress-rupture anisotropy could be increased by a high level of refractory solutes especially Re.
资助项目National Key R&D Program of China[2017YFA0700704] ; National Natural Science Foundation of China[51871221] ; National Science and Technology Major Project[2017-VI-0002-0072]
WOS研究方向Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000578860300003
出版者CHINESE ACAD SCIENCES, INST METAL RESEARCH
资助机构National Key R&D Program of China ; National Natural Science Foundation of China ; National Science and Technology Major Project
源URL[http://ir.imr.ac.cn/handle/321006/141036]  
专题金属研究所_中国科学院金属研究所
通讯作者Liu, Jin-Lai; Liu, Ji-De
作者单位1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110004, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Guang-Lei,Liu, Jin-Lai,Liu, Ji-De,et al. Effect of Orientation on Stress-Rupture Property and Related Deformation Microstructure of a Ni-Base Re-containing Single-Crystal Superalloy at 900 degrees C[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020:10.
APA Wang, Guang-Lei.,Liu, Jin-Lai.,Liu, Ji-De.,Zhou, Yi-Zhou.,Sun, Xu-Dong.,...&Sun, Xiao-Feng.(2020).Effect of Orientation on Stress-Rupture Property and Related Deformation Microstructure of a Ni-Base Re-containing Single-Crystal Superalloy at 900 degrees C.ACTA METALLURGICA SINICA-ENGLISH LETTERS,10.
MLA Wang, Guang-Lei,et al."Effect of Orientation on Stress-Rupture Property and Related Deformation Microstructure of a Ni-Base Re-containing Single-Crystal Superalloy at 900 degrees C".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2020):10.

入库方式： OAI收割

来源：金属研究所

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