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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 16    No. 2    April 2006

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Parametric analysis of warm forming of aluminum blanks with FEA and DOE
CHEN Peng(陈 鹏)1, LIN Zhong-qin(林忠钦)1, CHEN Guan-long(陈关龙)1, K. Muammer2

1. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China;
2. Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan, USA

Abstract:The effect of temperature distribution on warm forming performance was investigated for 5083-O (Al-Mg) sheet metal blanks. Combined isothermal/non-isothermal FEA with design of experiments tools were used to predict appropriate warm forming temperature conditions for deep drawing and two-dimensional stamping cases. In the investigated temperature range of 25−250 ℃, the formability of Al-5083 alloy is found to be greatly dependent on the temperature distribution of the die and punch. To achieve increased degrees of forming, different temperature levels should be assigned to the corner and body of the die and punch. And the optimal temperature distributions for warm deep drawing and warm two-dimensional stamping are not identical.

 

Key words: Al-5083 alloy; warm forming; deep drawing; finite element analysis

ISSN 1672-7029
CN 43-1423/U

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