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Orientation dependence of deformation twinning in Cu single crystals
Alternative TitleOrientation dependence of deformation twinning in Cu single crystals
Cai S S1; Li X W2; Tao N R1
2018
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume34Issue:8Pages:1364-1370
AbstractCu single crystals were subjected to dynamic compression plastic deformation to investigate orientation-dependent twinning. The experimental results showed that twinning is closely related to the ratio of the maximum Schmid factor for twinning partial (m(T)) to the maximum Schmid factor for perfect dislocation (m(S)), m(T)/m(S), rather than m(T). The twin volume fraction V-T increases with the m(T)/m(S) value and the most favorable orientation for twinning has the maximum m(T)/m(S) value (1.15). The relationships of m(T)/m(S) with both effective stacking fault energy gamma(eff) and threshold stress for twinning tau(T) were established for understanding orientation-dependent twinning. Further insights into the orientation-dependent twinning and guidance for developing bulk high density nanotwinned materials are provided. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
Other AbstractCu single crystals were subjected to dynamic compression plastic deformation to investigate orientation-dependent twinning. The experimental results showed that twinning is closely related to the ratio of the maximum Schmid factor for twinning partial (m(T)) to the maximum Schmid factor for perfect dislocation (m(S)), m(T)/m(S), rather than m(T). The twin volume fraction V-T increases with the m(T)/m(S) value and the most favorable orientation for twinning has the maximum m(T)/m(S) value (1.15). The relationships of m(T)/m(S) with both effective stacking fault energy gamma(eff) and threshold stress for twinning tau(T) were established for understanding orientation-dependent twinning. Further insights into the orientation-dependent twinning and guidance for developing bulk high density nanotwinned materials are provided. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordDYNAMIC PLASTIC-DEFORMATION PARTIAL DISLOCATION SEPARATION GRAIN-ORIENTATION STAINLESS-STEEL FCC METALS COPPER NUCLEATION STRESS ALLOYS MICROSTRUCTURE Orientation Twinning Cu Single crystal
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Ministry of Science and Technology of People's Republic of China]
CSCD IDCSCD:6308750
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/152925
Collection中国科学院金属研究所
Affiliation1.中国科学院
2.中国科学院金属研究所
3.上海市地震局
Recommended Citation
GB/T 7714
Cai S S,Li X W,Tao N R. Orientation dependence of deformation twinning in Cu single crystals[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2018,34(8):1364-1370.
APA Cai S S,Li X W,&Tao N R.(2018).Orientation dependence of deformation twinning in Cu single crystals.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,34(8),1364-1370.
MLA Cai S S,et al."Orientation dependence of deformation twinning in Cu single crystals".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34.8(2018):1364-1370.
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