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Numerical and Experimental Investigations on the Warm Deep Drawing of DP Steel Tailor-Welded Blanks

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Abstract:

The warm forming technology is applied to improve the dual phase (DP) steel tailor-welded blanks (TWBs) forming properties. In this paper, the warm deep drawing of DP590 steel TWBs was studied by both the experimental approach and the finite element analysis. The results indicated that the formability of the DP steel TWBs could be reduced slightly at lower temperatures and improved significantly at elevated temperatures. The reasonable punch force and blank holder force decrease rapidly as increasing temperature. Finite element analyses were performed to predict the formability of the warm deep drawing of DP590 steel TWBs and to investigate the rules of the warm deep drawing. The numerical simulation results are in good agreement with experimental results.

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Periodical:

Advanced Materials Research (Volume 763)

Pages:

179-183

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.763.179

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Online since:

September 2013

Authors:

Zhi Fu Cao, Zhi Feng Chen, Wei Chen, Qing Zhao, Yang Zhang, Xiang Wang

Keywords:

DP Steel Tailor-Welded Blanks, Formability, Numerical Simulation, Warm Forming

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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