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PHASE FIELD SIMULATION OF STATIC RECRYSTALLIZATION FOR AZ31 Mg ALLOY
Gao Yingjun1,2,3; Luo Zhirong1,2; Hu Xiangying1; Huang Chuanggao1
Corresponding AuthorGao Yingjun(gaoyj@gxu.edu.cn)
2010-10-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume46Issue:10Pages:1161-1172
AbstractIn order to obtain the deformation grain structure for static recrystallization, an initial grain structure are produced by lattice deformation model; aiming at characteristics of different deformation regions and non-uniform distribution of the stored energy in deformed alloy, a multistate free energy (MSFE) function are proposed by introducing a weight factor for the stored energy and a characteristics state factor for different deformed regions. Based on these, the microstructure evolutions of static recrystallization for deformed Mg alloys are simulated by phase field model. The transformation dynamic curve of recrystallization, Avrami curve, and the regularity for stored energy releasing and distribution of grain size in recrystallization process are systematically analyzed. The dynamic regularity of static recrystallization obtained by simulating is in good accord with the JMAK theory, and the Avrami curve by simulating can be regard as a linear with average slopes 2.45, 2.35, 2.19 and 2.15, respectively. The Avrami time index decreases with the true strain increasing. The stored energy releases faster, and tine lasting time of static recrystallization Process is shorter when the true strain is greater. Based on the established MSFE model, the simulation results here are in good agreement with the other theoretical results and experimental results.
Keywordphase field model static recrystallization plastic deformation microstructure AZ31 Mg alloy
Funding OrganizationNational Natural Science Foundation of China ; Natural Science Foundation of Guangxi Province
DOI10.3724/SP.J.1037.2010.00272
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[50661001] ; National Natural Science Foundation of China[50061001] ; Natural Science Foundation of Guangxi Province[0991026] ; Natural Science Foundation of Guangxi Province[0832029] ; Natural Science Foundation of Guangxi Province[0639004]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000284195900002
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/101633
Collection中国科学院金属研究所
Corresponding AuthorGao Yingjun
Affiliation1.Guangxi Univ, Coll Phys Sci & Engn, Nanning 530004, Peoples R China
2.Guangxi Univ, Key Lab Disaster Prevent & Struct Safety, Nanning 530004, Peoples R China
3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Gao Yingjun,Luo Zhirong,Hu Xiangying,et al. PHASE FIELD SIMULATION OF STATIC RECRYSTALLIZATION FOR AZ31 Mg ALLOY[J]. ACTA METALLURGICA SINICA,2010,46(10):1161-1172.
APA Gao Yingjun,Luo Zhirong,Hu Xiangying,&Huang Chuanggao.(2010).PHASE FIELD SIMULATION OF STATIC RECRYSTALLIZATION FOR AZ31 Mg ALLOY.ACTA METALLURGICA SINICA,46(10),1161-1172.
MLA Gao Yingjun,et al."PHASE FIELD SIMULATION OF STATIC RECRYSTALLIZATION FOR AZ31 Mg ALLOY".ACTA METALLURGICA SINICA 46.10(2010):1161-1172.
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