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Title: Spall damage in aluminum alloy
Authors: Zheng, J.
Wang, Z.-P. 
Issue Date: Apr-1995
Citation: Zheng, J.,Wang, Z.-P. (1995-04). Spall damage in aluminum alloy. International Journal of Solids and Structures 32 (8-9) : 1135-1148. ScholarBank@NUS Repository.
Abstract: A void growth relation for ductile porous materials under intense dynamic general loading conditions is presented. The mathematical model includes the influence of inertial effects, material rate sensitivity, as well as the contribution of void surface energy and material workhardening. Numerical analysis shows that inertia appears to resist the growth of voids. The inertial effects increase quickly with the loading rates. The theoretical analysis suggests that the inertial effects cannot be neglected at high loading rates. Plate-impact tests of aluminum alloy are performed with light gas gun. The processes of dynamic damage in aluminum alloy are successfully simulated with a finite-difference dynamic code in which the theoretical model presented in this paper is incorporated. © 1995.
Source Title: International Journal of Solids and Structures
ISSN: 00207683
Appears in Collections:Staff Publications

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