Springback Prediction of the TRIP Sheet Steel Stamping

Ti Kun Shan; Li Liu

doi:10.4028/www.scientific.net/AMR.221.152

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 221Springback Prediction of the TRIP Sheet Steel...

Springback Prediction of the TRIP Sheet Steel Stamping

Abstract:

An enhanced elastic-plastic constitutive equation taking into account strain induced transformation is developed. The variation of the Young’s modulus with the martensitic transformation during stamping process is also introduced to improve the accuracy of springback simulation for TRIP steel. The accuracy of the proposed method is verified by comparing with the conventional FE model and experimental results. The enhanced material model is testified to be efficient in accurate prediction on springback for TRIP steels, which will put forward the application of TRIP steel sheet in auto body manufacturing.

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Periodical:

Advanced Materials Research (Volume 221)

Pages:

152-158

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.221.152

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Online since:

March 2011

Authors:

Ti Kun Shan, Li Liu

Keywords:

Constitutive Model, Finite Element, Martensitic Transformation (MT), Springback, TRIP Steel

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