The Analysis of Multistage Deep Drawing of AA5754 Aluminum Alloy

Archives of Metallurgy and Materials

M. Paćko¹  M. Hojny¹  T. Śleboda¹  M. Dukat² 

[1] Faculty of Metals Engineering and Industrial Computer Science, Agh University of Science and Technology, 30-059 Kraków, 30 Mickiewicza Str., Poland;Solidcad Sp. Z O. O., Kraków, Poland

关键词: Keywords: multistage deep drawing;    AA5754 aluminum alloy;    finite element method;    friction conditions;   

DOI  :  10.2478/v10172-010-0021-5

学科分类：金属与冶金

来源: Akademia Gorniczo-Hutnicza im. Stanislawa Staszica / University of Mining and Metallurgy

【 摘 要 】

This work is focused on the multistage deep drawing of AA5754 aluminum alloy box-type part with flange. Both experimental and numerical analysis were performed in this study to predict causes of contraction and cracking occurring in deformed product in respect to the changes of friction conditions on tool-drawn part contact surface. The numerical simulations were performed using eta/DYNAFORM software and LS-DYNA® solver. The research showed, that the results of the simulation are in very good agreement with the results of the real multistage deep drawing processes. Moreover, this study showed, that proper conditions of friction on the tool-drawpiece contact surface is crucial for the correctness of the analyzed deep drawing process. Too large friction can restrict the material flow, particularly along the edge connecting the bottom and side-walls of the drawpiece, causing wrinkling and cracking.

【 授权许可】

Unknown