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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
发表期刊ULTRASONICS SONOCHEMISTRY
ISSN1350-4177
卷号40页码:113-119
摘要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.; 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.
部门归属[feng, xiaohui ; zhao, fuze ; jia, hongmin ; li, yingju ; yang, yuansheng] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china
关键词Mechanical-properties Grain-refinement Dendritic Alloys Az91 Alloy Microstructure Vibration Metal Aluminum Particle Power
学科领域Acoustics ; Chemistry, Multidisciplinary
资助者National Natural Science Foundation of China [51274184]; National Key Research and Development Program of China [2016YFB0301105]; Guangdong Science and Technology Project [2013B091300016]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79632
专题中国科学院金属研究所
通讯作者Yang, YS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
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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