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	Modelling of dynamic recrystallization in hot working
	Bingye Xu ; Jie Qu ; Quanlin Jin ; Hanxiong Huang
	2010-05-07 ; 2010-05-07
关键词	Practical Theoretical or Mathematical Experimental/ finite element analysis forging grain size hot working inverse problems mechanical engineering computing recrystallisation viscoplasticity/ dynamic recrystallization hot working grain size microstructure evolution processes stacking fault energy metals visco-plastic model finite element formulation finite element program Visual Fortran 6.5 rigid-plastic finite element inverse analysis/ A8140G Other heat and thermomechanical treatments A6480G Microstructure C7440 Civil and mechanical engineering computing C4185 Finite element analysis E3636 Metallurgical industries E1520L Heat treatment E1520G Forming processes E0210L Numerical analysis E2180B Plasticity (mechanical engineering)
中文摘要	Dynamic recrystallization, on which grain size of the final forging depends mainly, is one of the most important microstructure evolution processes in moderate-to-low stacking fault energy metals. In this paper, the process of dynamic recrystallization is simulated by numerical method. The paper first gives a visco-plastic model considering dynamic recrystallization in detail; secondly gives the applied finite element formulation and compiles an finite element program in Visual Fortran 6.5 based on the updated Lagrangian formulation rigid-plastic finite element; thirdly the material parameters are identified through inverse analysis, based on the compiled finite element program and the developed global optimization method; at last, the compiled finite element program is applied to simulate the microstructure evolution caused by dynamic recrystallization, the calculated result agrees with the experimental result relatively well.
语种	英语 ; 英语
出版者	Trans Tech Publications ; Switzerland
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/15756]
专题	清华大学
推荐引用方式 GB/T 7714	Bingye Xu,Jie Qu,Quanlin Jin,et al. Modelling of dynamic recrystallization in hot working[J],2010, 2010.
APA	Bingye Xu,Jie Qu,Quanlin Jin,&Hanxiong Huang.(2010).Modelling of dynamic recrystallization in hot working..
MLA	Bingye Xu,et al."Modelling of dynamic recrystallization in hot working".(2010).

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