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题名: Coupled simulation of ferrite recrystallization in a dual-phase steel considering deformation heterogeneity at mesoscale
作者: Shen, G;  Hu, BJ;  Zheng, CW;  Gu, JF;  Li, DZ
通讯作者: Gu, JF (reprint author), Shanghai Jiao Tong Univ, Inst Mat Modificat & Modelling, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China.;  Zheng, CW (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
发表日期: 2018-6-15
学科主题: Materials Science, Multidisciplinary
关键词: FINITE-ELEMENT MODEL;  CRYSTAL PLASTICITY;  CELLULAR-AUTOMATON;  STATIC RECRYSTALLIZATION;  AUSTENITE FORMATION;  COLD DEFORMATION;  HEATING RATE;  MICROSTRUCTURE;  DECOMPOSITION;  EVOLUTION
摘要: Microstructure-based numerical modeling of ferrite recrystallization in a cold-rolled dual-phase (DP) steel during continuous annealing has been performed by considering the deformation heterogeneity with a coupled simulation method. The plastic deformation inside the two-phase structures is firstly simulated using the crystal plasticity finite element method (CPFEM) at the grain scale with the initial grain structures and crystallographic orientations inputted from EBSD maps based on a digital material representation algorithm. The predicted local stored deformation energy is then incorporated into the cellular automaton model as the driving force for subsequent ferrite recrystallization nucleation and growth. The simulations demonstrate inhomogeneous microstructural behaviors of ferrite recrystallization owing to the microstructural deformation heterogeneity inherited from the deformed multi-phase structures. Reliable predictions regarding the recrystallization kinetics, grain size distribution and microstructure morphology can be made compared with the experimental results. The influence of annealing temperatures and heating rates is also obtained by the simulation approach.
资助者: National Science Foundation of China [51371169, 51401214]
英文摘要: Microstructure-based numerical modeling of ferrite recrystallization in a cold-rolled dual-phase (DP) steel during continuous annealing has been performed by considering the deformation heterogeneity with a coupled simulation method. The plastic deformation inside the two-phase structures is firstly simulated using the crystal plasticity finite element method (CPFEM) at the grain scale with the initial grain structures and crystallographic orientations inputted from EBSD maps based on a digital material representation algorithm. The predicted local stored deformation energy is then incorporated into the cellular automaton model as the driving force for subsequent ferrite recrystallization nucleation and growth. The simulations demonstrate inhomogeneous microstructural behaviors of ferrite recrystallization owing to the microstructural deformation heterogeneity inherited from the deformed multi-phase structures. Reliable predictions regarding the recrystallization kinetics, grain size distribution and microstructure morphology can be made compared with the experimental results. The influence of annealing temperatures and heating rates is also obtained by the simulation approach.
部门归属: [Shen, Gang;  Gu, Jianfeng] Shanghai Jiao Tong Univ, Inst Mat Modificat & Modelling, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China;  [Hu, Baojia;  Zheng, Chengwu;  Li, Dianzhong] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China;  [Gu, Jianfeng] Shanghai Jiao Tong Univ, Mat Genome Initiat Ctr, Shanghai 200240, Peoples R China;  [Gu, Jianfeng] Shanghai Jiao Tong Univ, Shanghai Key Lab Mat Laser Proc & Modificat, Shanghai 200240, Peoples R China
刊名: COMPUTATIONAL MATERIALS SCIENCE
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.imr.ac.cn/handle/321006/79286
ISSN号: 0927-0256
语种: 英语
Appears in Collections:中国科学院金属研究所_期刊论文

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Recommended Citation:
Shen, G,Hu, BJ,Zheng, CW,et al. Coupled Simulation Of Ferrite Recrystallization In A Dual-phase Steel Considering Deformation Heterogeneity At Mesoscale[J]. Computational Materials Science,2018,149:191-201.

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