Improved Constitutive Equations for Modeling Strain Softening—Part II: Predictions for Aluminum

[+] Author and Article Information
T. C. Lowe, A. K. Miller

Department of Materials Science and Engineering, Stanford University, Stanford, Calif. 94305

J. Eng. Mater. Technol 106(4), 343-348 (Oct 01, 1984) (6 pages) doi:10.1115/1.3225728 History: Received June 15, 1984; Online September 15, 2009


The capabilities of a new deformation model, MATMOD-4V, are demonstrated by comparison of computer predictions against independent data for high purity aluminum. In particular, model predictions of strain softening are presented and discussed. The predictive abilities of MATMOD-4V represent a substantial improvement over earlier versions of the MATMOD constitutive equations. The strength of the approach is illustrated by MATMOD-4V’s ability to predict deformation behaviors not explicitly built into the model.

Copyright © 1984 by ASME
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