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Numerical simulation of non-dendritic structure formation in Mg-Al alloy solidified with ultrasonic field
Feng, XH; Zhao, FZ; Jia, HM; Li, YJ; Yang, YS; Yang, YS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2018
Source PublicationULTRASONICS SONOCHEMISTRY
ISSN1350-4177
Volume40Pages:113-119
AbstractThe formation of non-dendritic structure of Mg alloy solidified with ultrasonic treatment was investigated by numerical simulation and experiment. The models of nucleation and crystal growth involved the effects of ultrasonic cavitation and acoustic streaming were built. Based on the models, the grain refinement and the microstructure change from dendrite to non-dendritic structure of a Mg-Al alloy were numerically simulated by cellular automata method. The simulation and experimental results indicated that the ultrasonic cavitation strongly contributes to the grain refinement by improving nucleation, while the acoustic streaming is mainly responsible for the formation of non-dendritic structure.; The formation of non-dendritic structure of Mg alloy solidified with ultrasonic treatment was investigated by numerical simulation and experiment. The models of nucleation and crystal growth involved the effects of ultrasonic cavitation and acoustic streaming were built. Based on the models, the grain refinement and the microstructure change from dendrite to non-dendritic structure of a Mg-Al alloy were numerically simulated by cellular automata method. The simulation and experimental results indicated that the ultrasonic cavitation strongly contributes to the grain refinement by improving nucleation, while the acoustic streaming is mainly responsible for the formation of non-dendritic structure.
description.department[feng, xiaohui ; zhao, fuze ; jia, hongmin ; li, yingju ; yang, yuansheng] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china
KeywordMechanical-properties Grain-refinement Dendritic Alloys Az91 Alloy Microstructure Vibration Metal Aluminum Particle Power
Subject AreaAcoustics ; Chemistry, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China [51274184]; National Key Research and Development Program of China [2016YFB0301105]; Guangdong Science and Technology Project [2013B091300016]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79632
Collection中国科学院金属研究所
Corresponding AuthorYang, YS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Feng, XH,Zhao, FZ,Jia, HM,et al. Numerical simulation of non-dendritic structure formation in Mg-Al alloy solidified with ultrasonic field[J]. ULTRASONICS SONOCHEMISTRY,2018,40:113-119.
APA Feng, XH,Zhao, FZ,Jia, HM,Li, YJ,Yang, YS,&Yang, YS .(2018).Numerical simulation of non-dendritic structure formation in Mg-Al alloy solidified with ultrasonic field.ULTRASONICS SONOCHEMISTRY,40,113-119.
MLA Feng, XH,et al."Numerical simulation of non-dendritic structure formation in Mg-Al alloy solidified with ultrasonic field".ULTRASONICS SONOCHEMISTRY 40(2018):113-119.
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