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Temperature effects on the transition from Lomer-Cottrell locks to deformation twinning in a Ni-Co-based superalloy
Qi, DQ; Fu, BD; Du, K; Yao, TT; Cui, CY; Zhang, JX; Ye, HQ; Du, K (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2016-12-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume125Pages:24-28
AbstractDeformation mechanisms of a Ni-Co-based superalloy at various temperatures were investigated with aberration corrected and conventional transmission electron microscopes. When deformed at intermediate temperature, Lomer-Cottrell locks were formed in primary gamma' precipitates in this superalloy; at high temperatures, however, microtwins become prominent. The transition from Lomer-Cottrell locks to microtwins with temperature increase is discussed, in particular, on the reordering process in the ordered gamma' precipitates during the deformation twinning. (C) 2016 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[qi, dongqing ; fu, baidong ; du, kui ; yao, tingting ; ye, hengqiang] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [qi, dongqing] northeastern univ, sch mat sci & engn, shenyang 110819, peoples r china ; [fu, baidong ; zhang, jianxin] shandong univ, sch mat sci & engn, jinan 250061, peoples r china ; [cui, chuanyong] chinese acad sci, inst met res, superalloys div, shenyang 110016, peoples r china
KeywordSuperalloy Microstructure Lomer-cottrell Lock Twinning
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51390473, 51171188, 51171179, 51271097, 11332010]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76176
Collection中国科学院金属研究所
Corresponding AuthorDu, K (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Qi, DQ,Fu, BD,Du, K,et al. Temperature effects on the transition from Lomer-Cottrell locks to deformation twinning in a Ni-Co-based superalloy[J]. SCRIPTA MATERIALIA,2016,125:24-28.
APA Qi, DQ.,Fu, BD.,Du, K.,Yao, TT.,Cui, CY.,...&Du, K .(2016).Temperature effects on the transition from Lomer-Cottrell locks to deformation twinning in a Ni-Co-based superalloy.SCRIPTA MATERIALIA,125,24-28.
MLA Qi, DQ,et al."Temperature effects on the transition from Lomer-Cottrell locks to deformation twinning in a Ni-Co-based superalloy".SCRIPTA MATERIALIA 125(2016):24-28.
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