Hybrid Experimental-Numerical Investigation on Plastic Deformation and Ductile Failure of Anisotropic Sheet Metals

Authors

  • Lin WANG Department of Civil Engineering, Hefei University

DOI:

https://doi.org/10.5755/j02.mech.27705

Keywords:

plastic deformation, ductile fracture, anisotropic sheet metal, digital image correlation, finite element modelling

Abstract

The plastic deformation and ductile failure behaviors of anisotropic AISI 1018 low carbon steel and C260 Cu-Zn brass under uniaxial tensile loading were investigated. The full-filed surface deformation of U-notched sheet metal was measured by digital image correlation technique. Three-dimensional finite element modeling using the Hill model and calibrated post-necking strain hardening curve was performed to obtain the force and strain history till the crack initiation. The crack propagation was numerically simulated employing a strain-to-failure model. The results from computations as global force-displacement relation, local strain distribution, and failure process are found in good agreement with experimental observations.

Author Biography

Lin WANG, Department of Civil Engineering, Hefei University

L. Wang is Assistant Professor in the Department of Civil Engineering, Hefei University. He got his Ph.D. from the Southern Methodist University in 2015. His current research interests are focused in the mechanics of metal and bio-materials using both experimental, numerical methods, virtual testing and designing for engineering applications.

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Published

2022-10-21

Issue

Vol. 28 No. 5 (2022)

Section

MECHANICS OF SOLID BODIES