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Strain hardening of as-extruded Mg-xZn (x=1, 2, 3 and 4 wt%) alloys
Zhao, Chaoyue; Chen, Xianhua; Pan, Fusheng; Wang, Jingfeng; Gao, Shangyu; Tu, Teng; Liu, Chunquan; Yao, Jiahao; Atrens, Andrej
2019
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:1Pages:142-150
AbstractThe influence of Zn on the strain hardening of as-extruded Mg-xZn (x = 1, 2, 3 and 4 wt%) magnesium alloys was investigated using uniaxial tensile tests at 10(-3) s(-1) at room temperature. The strain hardening rate, the strain hardening exponent and the hardening capacity were obtained from true plastic stress-strain curves. There were almost no second phases in the as-extruded Mg-Zn magnesium alloys. Average grain sizes of the four as-extruded alloys were about 17.8 mu m. With increasing Zn content from 1 to 4 wt%, the strain hardening rate increased from 2850 MPa to 6810 MPa at (sigma-sigma(0.2))= 60 MPa, the strain hardening exponent n increased from 0.160 to 0.203, and the hardening capacity, He increased from 1.17 to 2.34. The difference in strain hardening response of these Mg-Zn alloys might be mainly caused by weaker basal texture and more solute atoms in the alpha-Mg matrix with higher Zn content. (C) 2018 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordMg-Zn alloy Strain hardening Dislocation Basal texture
Indexed BySCI
Language英语
WOS IDWOS:000449263900020
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81517
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhao, Chaoyue,Chen, Xianhua,Pan, Fusheng,et al. Strain hardening of as-extruded Mg-xZn (x=1, 2, 3 and 4 wt%) alloys[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(1):142-150.
APA Zhao, Chaoyue.,Chen, Xianhua.,Pan, Fusheng.,Wang, Jingfeng.,Gao, Shangyu.,...&Atrens, Andrej.(2019).Strain hardening of as-extruded Mg-xZn (x=1, 2, 3 and 4 wt%) alloys.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(1),142-150.
MLA Zhao, Chaoyue,et al."Strain hardening of as-extruded Mg-xZn (x=1, 2, 3 and 4 wt%) alloys".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.1(2019):142-150.
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