Springback of TRIP Steels under Varying Blank Holder Force

Abstract:

The method using variable blank holding force to control springback in drawing of TRIP sheet steel is discussed. Numerical simulations considering the variation of Youngs modulus of TRIP steels can improve springback simulation accuracy. Many experiments are use to test and the accuracy of the springback simulation for an U-channel part forming under variable blank holding force. The results shows that the strategy of variable blank holding force is an effective measure for the springback control in TRIP sheet metal forming processes and the dimensional accuracy of sheet metal parts can be increased by the optimization of variable blank holding forces

• Periodical: Key Engineering Materials (Volume 561)
• Pages: 620-625
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.561.620
• Online since: July 2013
• Authors: Ti Kun Shan, Li Liu
• Keywords: Springback, TRIP Steel, Variable Blank Holding Force

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