NDLI: Twist springback characteristics of dual-phase steel sheet after non-axisymmetric deep drawing

Content Provider	Springer Nature Link
Author	Xue, Xin Liao, Juan Vincze, Gabriela Barlat, Frédéric
Copyright Year	2015
Abstract	This paper aims to investigate the twist springback characteristics of advanced high strength steel sheet subjected to deep drawing. A C-rail benchmark, which leads to a particularly pronounced twist springback characteristics, was developed. For an accurate numerical modeling of the process, a non-quadratic anisotropic yield criterion integrated with combined isotropic and kinematic hardening model was used to describe the strain-stress behavior including anisotropy and Bauschinger effects. The corresponding mechanical experiments, namely uniaxial tension and forward-reverse simple shear tests were performed to determine the material parameters. The digital image correlation technique was applied for component tests as well as the deformation and stress-strain analysis. The experimental validation of the elastic-plastic finite element model was assessed by comparing maximum in-plane strain, thickness reduction distribution and twist springback of the drawn rail. To explore the source of twist springback, the deformation associated with in-plane stress and bending moment was analyzed. The results indicate that the bending moment before springback caused by non-symmetric stress states play an important role in twist springback and control. Certain regions of the die radius were varied in a numerical analysis to control the bending moment for the minimization of twist springback as well as the preliminary results of the relationship between the ratio of variable die radius and twist springback.
Starting Page	267
Ending Page	278
Page Count	12
File Format	PDF
ISSN	19606206
Journal	International Journal of Material Forming
Volume Number	10
Issue Number	2
e-ISSN	19606214
Language	English
Publisher	Springer Paris
Publisher Date	2015-11-17
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Twist springback Dual-phase Deep drawing Constitutive models Digital image correlation Operating Procedures, Materials Treatment Materials Science Manufacturing, Machines, Tools Mechanical Engineering Computational Intelligence Computer-Aided Engineering (CAD, CAE) and Design
Content Type	Text
Resource Type	Article
Subject	Materials Science

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