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Solidification of Mg-Zn-Zr Alloys: Grain Growth Restriction, Dendrite Coherency and Grain Size
Li, Pei1,2; Hou, Danhui2; Han, En-Hou2; Chen, Rongshi2; Shan, Zhiwei1
Corresponding AuthorChen, Rongshi(rschen@imr.ac.cn) ; Shan, Zhiwei(zwshan@mail.xjtu.edu.cn)
2020-06-04
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages10
AbstractThe solidification characterization of Mg-xZn-0.5Zr (x = 0, 1, 3, 4, 5 wt%) alloys has been extensively investigated through thermal analysis, microstructure characterization and thermodynamic calculations. The impact of Zn content on the grain growth restriction, dendrite coherency and thus the final grain size has been investigated and discussed. Increasing Zn content, the grain size of Mg-xZn-0.5Zr alloy was firstly refined and then coarsened with the finest grain size of similar to 50 mu m for the Mg-3Zn-0.5Zr (ZK31) alloy. Significant effects of the grain size on the mechanical properties were observed in the investigated alloys. The combination of growth restriction factor theory and dendrite coherency point provides a reasonable explanation of the grain size results. It helps to further understand the mechanisms of grain refinement and grain coarsening related to solute content, providing reference for alloy design and grain size prediction.
KeywordMagnesium alloy Grain size Solute content Growth restriction Dendrite coherency Solidification
Funding OrganizationNational Key Research and Development Program of China ; Natrual Science Foundation of China ; International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies ; Collaborative Innovation Center of High-End Manufacturing Equipment ; Science and Technology Department of Shaanxi Province ; National Natural Science Foundation ; National Science and Technology Major Project of China
DOI10.1007/s40195-020-01069-1
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFB0702001] ; Natrual Science Foundation of China[51621063] ; International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies ; Collaborative Innovation Center of High-End Manufacturing Equipment ; Science and Technology Department of Shaanxi Province[2016KTZDGY-04-03] ; Science and Technology Department of Shaanxi Province[2016KTZDGY-04-04] ; National Natural Science Foundation[51701218] ; National Science and Technology Major Project of China[2017ZX04014001]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000537643100001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139151
Collection中国科学院金属研究所
Corresponding AuthorChen, Rongshi; Shan, Zhiwei
Affiliation1.Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Li, Pei,Hou, Danhui,Han, En-Hou,et al. Solidification of Mg-Zn-Zr Alloys: Grain Growth Restriction, Dendrite Coherency and Grain Size[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020:10.
APA Li, Pei,Hou, Danhui,Han, En-Hou,Chen, Rongshi,&Shan, Zhiwei.(2020).Solidification of Mg-Zn-Zr Alloys: Grain Growth Restriction, Dendrite Coherency and Grain Size.ACTA METALLURGICA SINICA-ENGLISH LETTERS,10.
MLA Li, Pei,et al."Solidification of Mg-Zn-Zr Alloys: Grain Growth Restriction, Dendrite Coherency and Grain Size".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2020):10.
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