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Simulation of the Influence of Pulsed Magnetic Field on the Superalloy Melt with the Solid-Liquid Interface in Directional Solidification
Zhang, Kuiliang1,2; Li, Yingju1,2; Yang, Yuansheng1,2
Corresponding AuthorYang, Yuansheng(ysyang@imr.ac.cn)
2020-04-29
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages13
AbstractThe effect of the pulsed magnetic field on the grain refinement of superalloy K4169 has been studied in directional solidification. In the presence of the solid-liquid interface condition, the distributions of the electromagnetic force, flow field, temperature field, and Joule heat in front of the solid-liquid interface in directional solidification with the pulsed magnetic field are simulated. The calculation results show that the largest electromagnetic force in the melt appears near the solid-liquid interface, and the electromagnetic force is distributed in a gradient. There are intensive electromagnetic vibrations in front of the solid-liquid interface. The forced melt convection is mainly concentrated in front of the solid-liquid interface, accompanied by a larger flow velocity. The simulation results indicate that the grain refinement is attributed to that the electromagnetic vibration and forced convection increase the nucleation rate and the probability of dendrite fragments survival, for making dendrite easily fragmented, homogenizing the melt temperature, and increasing the undercooling in front of the solid-liquid interface.
KeywordPulsed magnetic field Solid-liquid interface Simulation Electromagnetic force Melt convection Superalloy
Funding OrganizationNational Natural Science Foundation of China ; Key Research and Development Program of Liaoning Province ; National Science and Technology Major Project ; National Key Research and Development Program
DOI10.1007/s40195-020-01048-6
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51674236] ; Key Research and Development Program of Liaoning Province[2019JH2/10100009] ; National Science and Technology Major Project[2017-VI-0003-0073] ; National Key Research and Development Program[2018Y-FA0702900]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000529496000001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138689
Collection中国科学院金属研究所
Corresponding AuthorYang, Yuansheng
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Kuiliang,Li, Yingju,Yang, Yuansheng. Simulation of the Influence of Pulsed Magnetic Field on the Superalloy Melt with the Solid-Liquid Interface in Directional Solidification[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020:13.
APA Zhang, Kuiliang,Li, Yingju,&Yang, Yuansheng.(2020).Simulation of the Influence of Pulsed Magnetic Field on the Superalloy Melt with the Solid-Liquid Interface in Directional Solidification.ACTA METALLURGICA SINICA-ENGLISH LETTERS,13.
MLA Zhang, Kuiliang,et al."Simulation of the Influence of Pulsed Magnetic Field on the Superalloy Melt with the Solid-Liquid Interface in Directional Solidification".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2020):13.
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