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Cottrell atmospheres along dislocations in long-period stacking ordered phases in a Mg-Zn-Y alloy
Hu, W. W.; Yang, Z. Q.; Ye, H. Q.; Yang, ZQ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
2016-05-01
发表期刊SCRIPTA MATERIALIA
ISSN1359-6462
卷号117页码:77-80
摘要Dislocations and local chemistries around them in plastically deformed long-period stacking ordered phases in a Mg-Zn-Y alloy have been investigated by the combination of atomic resolution electron microscopy imaging and nano-probe energy dispersive X-ray spectroscopy measurements. Zn/Y Cottrell atmospheres were observed along dislocations at kink boundaries and individual dislocations in bulk long-period stacking ordered phase. Evidence for unpinning of dislocations from Cottrell atmospheres was also observed. A binding energy of about 0.05 eV is estimated between the dislocations and solute atoms trapped within the atmospheres. (C) 2016 Elsevier Ltd. All rights reserved.
部门归属[hu, w. w. ; yang, z. q. ; ye, h. q.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
关键词Mg Alloy Long-period Stacking Ordered Phase Plastic Deformation Dislocation Cottrell Atmospheres
学科领域Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51171189, 51371178, 51390473]; Liaoning Province [2015020237]; SYNL [2015RP17]
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/321006/75901
专题中国科学院金属研究所
通讯作者Yang, ZQ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Hu, W. W.,Yang, Z. Q.,Ye, H. Q.,et al. Cottrell atmospheres along dislocations in long-period stacking ordered phases in a Mg-Zn-Y alloy[J]. SCRIPTA MATERIALIA,2016,117:77-80.
APA Hu, W. W.,Yang, Z. Q.,Ye, H. Q.,&Yang, ZQ .(2016).Cottrell atmospheres along dislocations in long-period stacking ordered phases in a Mg-Zn-Y alloy.SCRIPTA MATERIALIA,117,77-80.
MLA Hu, W. W.,et al."Cottrell atmospheres along dislocations in long-period stacking ordered phases in a Mg-Zn-Y alloy".SCRIPTA MATERIALIA 117(2016):77-80.
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