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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
发表期刊SCRIPTA MATERIALIA
ISSN1359-6462
卷号125页码:24-28
摘要Deformation 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.
部门归属[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
关键词Superalloy Microstructure Lomer-cottrell Lock Twinning
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51390473, 51171188, 51171179, 51271097, 11332010]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76176
专题中国科学院金属研究所
通讯作者Du, K (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式
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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