Elastic-Inelastic Self-Consistent Model for Polycrystals

[+] Author and Article Information
A. Abdul-Latif

ERBEM/GIM, Université Paris8, IUT de Tremblay, 93290 Tremblay-en-France, Francee-mail: aabdul@iut-tremblay.univ-paris8.fr

J. P. Dingli, K. Saanouni

GSM/LASMIS, Université de Technologie de Troyes, B. P. 2060, 10010 Troyes cedex, France

J. Appl. Mech 69(3), 309-316 (May 03, 2002) (8 pages) doi:10.1115/1.1427693 History: Received January 25, 2000; Revised April 30, 2001; Online May 03, 2002
Copyright © 2002 by ASME
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Grahic Jump Location
Plot of comparison between tangent formulation-based (T) and simplified (S) models showing the overall stress evolution versus the strain for uniaxial tensile test under three strain rate values (1:0.1/s, 2: 0.01/s and 3:0.001/s)
Grahic Jump Location
Plots showing (a) a comparison between tangent formulation-based (T) and simplified (S) models for tension-compression loading, (b) the evolution of ηo versus time during tension-compression loading test
Grahic Jump Location
Overall stress-strain simplified model response showing its sensitivity to the phenomenological parameter (α) under monotonic tensile test
Grahic Jump Location
Effect of the parameter (α) on the evolution of the activated slip systems during monotonic tensile load
Grahic Jump Location
Effect of the parameter (α) on the heterogeneity of the elastic strain (εge) in 11 direction of each grain within the used aggregate at the end of the monotonic tensile load
Grahic Jump Location
Effect of the parameter (α) on the heterogeneity of the inelastic strain (εgin) in 11 direction of each grain within the used aggregate at the end of the monotonic tensile load



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