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	Deformation behaviour of the hot upsetting cylindrical specimen with dynamic recrystallization
	Xu, B.Y.B. ; Jie Qu ; Quanlin Jin
	2010-05-07 ; 2010-05-07
关键词	Theoretical or Mathematical/ crystal microstructure deformation finite element analysis hot working metals recrystallisation stress-strain relations/ deformation hot upsetting dynamic recrystallization cylindrical specimen hot working viscoplastic model axisymmetrical finite element software stress-strain curve microstructure/ A8140L Deformation, plasticity and creep A8140G Other heat and thermomechanical treatments A4630J Viscoelasticity, plasticity, viscoplasticity, creep, and stress relaxation A6220F Deformation and plasticity A6480G Microstructure
中文摘要	Based on the homogeneous deformation assumption, the hot upsetting of the small cylindrical specimen is usually used for generating the material parameters of metals under hot working condition. However, the homogeneous deformation is impossible due to friction. This paper first summarizes the viscoplastic model considering dynamic recrystallization, and then compiles the axisymmetrical finite element software to simulate the upsetting processing of the cylindrical specimen, at last applies the complied software to study the deformation behaviour of the upsetting cylindrical specimen with dynamic recrystallization and assesses the suitability of the assumption for the generation of the material parameters based on the simulated result, taking the model considering dynamic recrystallization as an example. For the model in question, the study shows that the reliability of the stress-strain curve is very high; however, the reliability of most of the microstructures is relatively low. [All rights reserved Elsevier].
语种	英语 ; 英语
出版者	Elsevier ; UK
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/15805]
专题	清华大学
推荐引用方式 GB/T 7714	Xu, B.Y.B.,Jie Qu,Quanlin Jin. Deformation behaviour of the hot upsetting cylindrical specimen with dynamic recrystallization[J],2010, 2010.
APA	Xu, B.Y.B.,Jie Qu,&Quanlin Jin.(2010).Deformation behaviour of the hot upsetting cylindrical specimen with dynamic recrystallization..
MLA	Xu, B.Y.B.,et al."Deformation behaviour of the hot upsetting cylindrical specimen with dynamic recrystallization".(2010).

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