Paper Title:
Influence and Sensitivity of Inertial Effect on Void Growth Behavior in Ductile Metals
  Abstract

This paper presents the dynamic growth behavior of the voids in ductile metals under dynamic loading condition. Started from energy conservation law, a dynamic damage model on void growth process is developed, in which inertial effect is taken into account. The proposed model on void growth is introduced into Gurson model through VUMAT subroutine, so the void growth behavior affected by inertial effect can be investigated and compared. Numerical analysis shows that inertial effect decreases the rate of void growth, and with the increasing of the loading rate, the decreasing effect becomes more remarkable. Inertial effect is very sensitive to the initial damage of the material and the distribution of the void density. The larger the initial damage and the sparser the void density, the stronger the inertial effect on the void growth.

  Info
Periodical
Key Engineering Materials (Volumes 462-463)
Edited by
Ahmad Kamal Ariffin, Shahrum Abdullah, Aidy Ali, Andanastuti Muchtar, Mariyam Jameelah Ghazali and Zainuddin Sajuri
Pages
449-454
DOI
10.4028/www.scientific.net/KEM.462-463.449
Citation
B. Liu, Z. Li, F. Xu, M. Kikuchi, "Influence and Sensitivity of Inertial Effect on Void Growth Behavior in Ductile Metals", Key Engineering Materials, Vols. 462-463, pp. 449-454, 2011
Online since
January 2011
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Price
$32.00
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