IMR OpenIR
Quantitative understanding of anomalous slip in Mo
Yang, J. B.; Zhang, Z. J.; Zhang, Z. F.
通讯作者Yang, J. B.(jbyang@imr.ac.cn)
2015-07-03
发表期刊PHILOSOPHICAL MAGAZINE
ISSN1478-6435
卷号95期号:19页码:2026-2045
摘要Hexagonal dislocation networks (HDNs) formed by the reaction of < 111 >/2 screw dislocations are frequently observed in association with anomalous slip in body-centred cubic (bcc) metals. However, its role assigned in anomalous slip remains obscure due to the absence of quantitative description of its response to uniaxial loading. Here, systematic atomistic simulations are performed in molybdenum (Mo) to study the responses of a typical HDN to different applied loadings. The simulation results are used to develop a quantitative yield criterion for the HDN motion under uniaxial loading. Based on this criterion together with the yield equation that can account for the non-Schmid behaviours of an isolated < 111 >/2 screw dislocation, the transition from primary to anomalous slips with the loading direction is predicted to be consistent with the experimental observations in many bcc metals including Mo. This work also sheds light on other experimental results such as the lack of dead-band and the displacement accompanying anomalous slip. In addition, the reason for the absence of anomalous slip in bcc iron (Fe) is found by comparison of the reaction between < 111 >/2 screw dislocations in Mo and Fe.
关键词anomalous slip plastic deformation hexagonal dislocation network molybdenum body-centred cubic
资助者Program of One Hundred Talented People of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC)
DOI10.1080/14786435.2015.1045567
收录类别SCI
语种英语
资助项目Program of One Hundred Talented People of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC)[51331007]
WOS研究方向Materials Science ; Mechanics ; Metallurgy & Metallurgical Engineering ; Physics
WOS类目Materials Science, Multidisciplinary ; Mechanics ; Metallurgy & Metallurgical Engineering ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000356960700002
出版者TAYLOR & FRANCIS LTD
引用统计
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/80972
通讯作者Yang, J. B.
作者单位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
Yang, J. B.,Zhang, Z. J.,Zhang, Z. F.. Quantitative understanding of anomalous slip in Mo[J]. PHILOSOPHICAL MAGAZINE,2015,95(19):2026-2045.
APA Yang, J. B.,Zhang, Z. J.,&Zhang, Z. F..(2015).Quantitative understanding of anomalous slip in Mo.PHILOSOPHICAL MAGAZINE,95(19),2026-2045.
MLA Yang, J. B.,et al."Quantitative understanding of anomalous slip in Mo".PHILOSOPHICAL MAGAZINE 95.19(2015):2026-2045.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Yang, J. B.]的文章
[Zhang, Z. J.]的文章
[Zhang, Z. F.]的文章
百度学术
百度学术中相似的文章
[Yang, J. B.]的文章
[Zhang, Z. J.]的文章
[Zhang, Z. F.]的文章
必应学术
必应学术中相似的文章
[Yang, J. B.]的文章
[Zhang, Z. J.]的文章
[Zhang, Z. F.]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。