Elastic-plastic finite element investigation of the effect of the aspect ratio on curvature in the roll-platen forming process

被引：1
|
作者：
Xu, Q [1 ]
Hartley, P [1 ]
Pillinger, I [1 ]
机构：
[1] Univ Birmingham, Sch Mfg & Mech Engn, Solid Mech & Proc Modelling Grp, Birmingham B15 2TT, W Midlands, England
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2000年 / 104卷 / 1-2期
关键词：
finite element simulation; metalforming; roll-platen forming; elastic-plastic; finite deformation;
D O I：
10.1016/S0924-0136(00)00547-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The roll-platen forming process is a novel process aimed at producing elongated components to net shape or near net shape. Systematic research has been conducted: (1) to establish the general mass flow mode under various process parameters by physical modelling; (2) to further investigate the effect of speed ratio and aspect ratio on curvature of hot steel roll-platen formed components by finite element simulation. This paper presents the results of FE investigation of the effect of aspect ratio on curvature including the characteristics of progressive deformation, the development and distribution of generalised plastic strain, and the deformed workpiece shape. These simulated curvature results agree closely with those of physical modelling experiments. Some special boundary techniques developed for this FE modelling will also be briefly mentioned in this paper. (C) 2000 Published by Elsevier Science S.A.
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收藏
页码：25 / 33
页数：9
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