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RESEARCH PAPERS: Additional Technical Papers

Evaluation of Bodner-Partom Model Parameters at High Strain Rate

[+] Author and Article Information
A. M. Rajendran, S. J. Bless, D. S. Dawicke

Research Institute, University of Dayton, Dayton, Ohio 45469

J. Eng. Mater. Technol 108(1), 75-80 (Jan 01, 1986) (6 pages) doi:10.1115/1.3225845 History: Received April 12, 1985; Online September 23, 2009

Abstract

The objective of this paper is to model the high strain rate material behavior of metals using Bodner-Partom visco-plastic constitutive model. A unique algorithm has been developed to evaluate the model parameters from the split Hopkinson Bar and plane plate impact tests data. The model parameters were successfully determined for the 6061-T6 aluminum, 1020 steel, and HY 100 steel. Using the evaluated model parameters, the test data obtained from an unusually wide range of stress states for these three metals were successfully modeled.

Copyright © 1986 by ASME
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