Transactions of Materials and Heat Treatment

Title：Cracking failure analysis and parameter optimization of special-shaped aluminum profile extrusion die base on Deform-3D

Authors： Xu Yongli Pang Zugao Tang Xiaxiang

Unit： Guangxi College of Water Resources and Electric Power

KeyWords： extrusion die cracking failure principal stress parameter optimization Deform-3D

ClassificationCode：

year,vol(issue):pagenumber：2014,39(4):97-103

Abstract：

The initial cracking failure in porthole bridge of a kind of special-shaped aluminum profile extrusion die was analyzed by Deform-3D software and orthogonal test. The results show that the ductility of materials is the worst, and deformation resistance and flow resistance are the biggest when the extrusion temperature, extrusion speed, friction factor, preheating temperature of die are 460 ℃, 30 mm·s-1，0.6 and 450 ℃, respectively. The die will crack when the principal stress is above permissible stress. The initial cracking failure of die will be avoided most possibly when the extrusion temperature, extrusion speed, friction factor and preheating temperature are 500 ℃, 10 mm·s-1, 0.4 and 470 ℃, respectively.

Funds：

广西自然科学基金资助项目(2013GXNSFAA019303)

徐永礼 (1956-)，男，本科，副教授

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