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Insight from in situ microscopy into which precipitate morphology can enable high strength in magnesium alloys
Liu, Bo-Yu1,2; Yang, Nan1,2; Wang, Jian3; Barnett, Matthew4; Xin, Yun-Chang5; Wu, Di6; Xin, Ren-Long5; Li, Bin7; Narayan, R. Lakshmi1,2,8; Nie, Jian-Feng9; Li, Ju1,2,10,11; Ma, Evan1,2,12; Shan, Zhi-Wei1,2
Corresponding AuthorMa, Evan(ema.mse.jhu@gmail.com) ; Shan, Zhi-Wei(zwshan@xjtu.edu.cn)
2018-07-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume34Issue:7Pages:1061-1066
AbstractMagnesium alloys, while boasting light weight, suffer from a major drawback in their relatively low strength. Identifying the microstructural features that are most effective in strengthening is therefore a pressing challenge. Deformation twinning often mediates plastic yielding in magnesium alloys. Unfortunately, due to the complexity involved in the twinning mechanism and twin-precipitate interactions, the optimal precipitate morphology that can best impede twinning has yet to be singled out. Based on the understanding of twinning mechanism in magnesium alloys, here we propose that the lamellar precipitates or the network of plate-shaped precipitates are most effective in suppressing deformation twinning. This has been verified through quantitative in situ tests inside a transmission electron microscope on a series of magnesium alloys containing precipitates with different morphology. The insight gained is expected to have general implications for strengthening strategies and alloy design. (C) 2018 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordPrecipitate selection criterion In-situ TEM Mg alloy Mechanical property Deformation twinning
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Science and Technology Department of Shaanxi Province ; China Postdoctoral Science Foundation
DOI10.1016/j.jmst.2018.01.017
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFB0702001] ; National Natural Science Foundation of China[51601141] ; National Natural Science Foundation of China[51231005] ; National Natural Science Foundation of China[51621063] ; Science and Technology Department of Shaanxi Province[2016KTZDGY-04-03] ; Science and Technology Department of Shaanxi Province[2016KTZDGY-04-04] ; China Postdoctoral Science Foundation[2016M600788]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000434132800001
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128375
Collection中国科学院金属研究所
Corresponding AuthorMa, Evan; Shan, Zhi-Wei
Affiliation1.Xi An Jiao Tong Univ, Ctr Advancing Mat Performance Nanoscale CAMP Nano, Xian 710049, Shaanxi, Peoples R China
2.Xi An Jiao Tong Univ, HARCC, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
3.Univ Nebraska, Mech & Mat Engn, Lincoln, NE 68588 USA
4.Deakin Univ, Inst Frontier Mat, Geelong, Vic 3216, Australia
5.Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
6.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
7.Univ Nevada, Dept Chem & Mat Engn, Reno, NV 89557 USA
8.Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA
9.Monash Univ, Dept Mat Sci & Engn, Melbourne, Vic 3800, Australia
10.MIT, Dept Nucl Sci & Engn, 77 Massachusetts Ave, Cambridge, MA 02139 USA
11.MIT, Dept Mat Sci & Engn, 77 Massachusetts Ave, Cambridge, MA 02139 USA
12.Johns Hopkins Univ, Dept Mat Sci & Engn, Baltimore, MD 21218 USA
Recommended Citation
GB/T 7714
Liu, Bo-Yu,Yang, Nan,Wang, Jian,et al. Insight from in situ microscopy into which precipitate morphology can enable high strength in magnesium alloys[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2018,34(7):1061-1066.
APA Liu, Bo-Yu.,Yang, Nan.,Wang, Jian.,Barnett, Matthew.,Xin, Yun-Chang.,...&Shan, Zhi-Wei.(2018).Insight from in situ microscopy into which precipitate morphology can enable high strength in magnesium alloys.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,34(7),1061-1066.
MLA Liu, Bo-Yu,et al."Insight from in situ microscopy into which precipitate morphology can enable high strength in magnesium alloys".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34.7(2018):1061-1066.
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