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Effect of temperature conditions on grain refinement of Mg-Al alloy under ultrasonic field
Feng, Xiaohui1; Zhao, Fuze1; Jia, Hongmin1; Zhou, Jixue2; Li, Yangde3; Li, Weirong3; Yang, Yuansheng1
Corresponding AuthorYang, Yuansheng(ysyang@imr.ac.cn)
2017
Source PublicationINTERNATIONAL JOURNAL OF CAST METALS RESEARCH
ISSN1364-0461
Volume30Issue:6Pages:341-347
AbstractThe effects of temperature conditions on the grain refinement of a Mg-Al alloy by ultrasonic treatment were investigated. It was found the grain refinement strongly depended on the temperature. When the ultrasonic treatment was performed above the liquidus temperature, the better grain refinement was achieved in the ingot treated at 700 degrees C rather than at lower temperature. While for the cases of the ultrasonic treatment being ended below the liquidus temperature, the better refinement can be achieved at lower ending temperature. The undendritic structrue of UST ingots is obviously different with the dendritic structure of UMT ingots. The ultrasonic cavitation improves the nucleation temperature, resulting in greater undercooling to benefit the nucleation. The acoustic streaming accelerates the release of latent heat of solidification and shorten the time for grain growth. Both of the two factors contribute to achieve the grain refinement.
KeywordMg alloy grain refinement solidification ultrasonic field
Funding OrganizationNational Natural Science Foundation of China ; Guangdong Science and Technology Project
DOI10.1080/13640461.2017.1317392
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51274184] ; Guangdong Science and Technology Project[2013B091300016]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000416703200004
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/125469
Collection中国科学院金属研究所
Corresponding AuthorYang, Yuansheng
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China
2.Shandong Acad Sci, Inst New Mat, Jinan, Shandong, Peoples R China
3.Dongguan Eontec Co Ltd, Dongguan, Peoples R China
Recommended Citation
GB/T 7714
Feng, Xiaohui,Zhao, Fuze,Jia, Hongmin,et al. Effect of temperature conditions on grain refinement of Mg-Al alloy under ultrasonic field[J]. INTERNATIONAL JOURNAL OF CAST METALS RESEARCH,2017,30(6):341-347.
APA Feng, Xiaohui.,Zhao, Fuze.,Jia, Hongmin.,Zhou, Jixue.,Li, Yangde.,...&Yang, Yuansheng.(2017).Effect of temperature conditions on grain refinement of Mg-Al alloy under ultrasonic field.INTERNATIONAL JOURNAL OF CAST METALS RESEARCH,30(6),341-347.
MLA Feng, Xiaohui,et al."Effect of temperature conditions on grain refinement of Mg-Al alloy under ultrasonic field".INTERNATIONAL JOURNAL OF CAST METALS RESEARCH 30.6(2017):341-347.
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