Paper Title:
Investigation on the TRIP Steel Sheet Forming Processes with Respect to Punch Speed Loading-Paths
  Abstract

Loading path is one of importance factors that influence the formability of sheet forming process. In this study, the effect of punching speed loading paths (PSLP) on forming and spring-back processes of TRIP (transformation induced plasticity) steel has been investigated. Four kinds of loading paths with three punch speeds are introduced to verify the cup drawing and U-channel spring-back processes based on a constitutive model accompanying the strain-induced martensite transformation. The results show that higher punch speed results in the thickness uniformity of drawing cup and the spring-back angle of stamping U-channel increased with the same loading path. Furthermore, a given loading path (C4) not only increases the minimum thickness of cup but also decreases the spring-back angle of U-channel.

  Info
Periodical
Advanced Materials Research (Volumes 154-155)
Edited by
Zhengyi Jiang, Xianghua Liu and Jinglong Bu
Pages
667-673
DOI
10.4028/www.scientific.net/AMR.154-155.667
Citation
W. J. Dan, W. G. Zhang, S. H. Li, "Investigation on the TRIP Steel Sheet Forming Processes with Respect to Punch Speed Loading-Paths", Advanced Materials Research, Vols. 154-155, pp. 667-673, 2011
Online since
October 2010
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Price
$32.00
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