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Solidification of Mg-Zn-Zr Alloys: Grain Growth Restriction, Dendrite Coherency and Grain Size
Li, Pei; Hou, Danhui; Han, En-Hou; Chen, Rongshi; Shan, Zhiwei
2020-11-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
Volume33Issue:11Pages:1477-1486
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.
DOI10.1007/s40195-020-01069-1
WOS IDWOS:000537643100001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82788
Collection中国科学院金属研究所
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,2020,33(11):1477-1486.
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,33(11),1477-1486.
MLA Li, Pei,et al."Solidification of Mg-Zn-Zr Alloys: Grain Growth Restriction, Dendrite Coherency and Grain Size".ACTA METALLURGICA SINICA-ENGLISH LETTERS 33.11(2020):1477-1486.
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