An investigation of void defect in rod extrusion

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摘要

This paper employs rigid-plastic finite element DEFORM™ 2D software to investigate the plastic deformation behavior of a single rod during its axisymmetric extrusion through a conical die. Under various extrusion conditions, the present numerical analysis investigates the damage factor distributions, the variation of the void dimension at the exit, the deformation mechanisms, and the mean stress distributions around the defective void. The relative influences of the semi-angle of the die, the diameter of the initial void, and the friction factors, respectively, are systematically examined. Additionally, the correlations between the before and after extrusion for defective void and a series of damage factors are explored. The simulation results verify the suitability of the current finite element software for modeling the extrusion of single rods containing internal voids.

原文English
頁(從 - 到)479-484
頁數6
期刊Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao
26
發行號4
出版狀態Published - 2005 十二月 1

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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