Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28364
Title: Numerical simulation for fine-blanking - a new approach
Authors: Chan, LC 
Leung, YC
Lee, TC
Fan, JP
Tang, CY 
Keywords: Fine-blanking
Finite element method
Rezoning
Large deformation
Issue Date: 2004
Publisher: Elsevier Science Sa
Source: Materials science and engineering a - structural materials properties microstructure and processing, 2004, v. 364, no. 1-2, p. 207-215 How to cite?
Journal: Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing 
Abstract: This paper presents the numerical simulation of fine-blanking using the large deformation elasto-plastic finite element method (FEM). In this simulation, the finite element mesh is re-zoned when severe element distortion occurs, in order to facilitate further computation and avoid divergence. The finite element software, ABAQUS/Standard PC version 5.8, is used. The updated Lagrangian formulation is adopted and the standard stiffness matrix and the initial stiffness matrix are presented. A precise description of the fine-blanking boundary conditions is essential to achieve a correct simulation result. Therefore, the fine-blanking process is considered as a contact problem and the corner radii of punch and die are taken into account. This study is one of the first attempts to simulate the complete fine-blanking process.
URI: http://hdl.handle.net/10397/28364
ISSN: 0921-5093
DOI: 10.1016/j.msea.2003.08.034
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