Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25007
Title: Quantification of shear damage evolution in aluminium alloy 2024T3
Authors: Tang, CY 
Fan, J
Tsui, CP 
Lee, TC
Chan, LC 
Rao, B
Keywords: damage evolution equations
hardening material
microscopic observation
shear band
shear damage
Issue Date: 2007
Publisher: Huazhong University of Science and Technology
Source: Acta mechanica solida sinica, 2007, v. 20, no. 1, p. 57-64 How to cite?
Journal: Acta mechanica solida Sinica 
Abstract: Shear damage may occur in the process of metal machining such as blanking and cutting, where localized shear deformation is developed. Experimental findings indicate that microscopic shear damage evolution in aluminium alloy 2024T3 (Al 2024T3) is a multi-stage mechanism, including particle cracking, micro-shear banding, matrix microcracking and coalescence of microcracks. This study is an attempt to use a set of equations to describe the multi-stage shear damage evolution in Al 2024T3. The shear damage variables in terms of multi-couple parameters of a power-law hardening material have been defined. An evolution curve of shearing damage has been calculated from experimental data. The values of the shear damage variable at different stages of damage have also been calculated. By making use of the findings, the relation between the microscopic shear damage evolution and the macroscopic shear response of the material has been discussed.
URI: http://hdl.handle.net/10397/25007
ISSN: 0894-9166
EISSN: 1860-2134
DOI: 10.1007/s10338-007-0707-z
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