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Cited 69 time in webofscience Cited 82 time in scopus
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Modelling the plastic behaviour of metals under complex loading conditions SCIE SCOPUS

Title
Modelling the plastic behaviour of metals under complex loading conditions
Authors
Rauch, EFGracio, JJBarlat, FVincze, G
Date Issued
2011-04
Publisher
IOP PUBLISHING LTD
Abstract
Aluminium alloys and low carbon steel exhibit a transient work-hardening rate when the strain path is abruptly modified. The underlying physical mechanisms are latent hardening in the case of cross-loading and massive disappearance of the dislocations pertaining to prestrain when the loading stress is reversed. The modelling approach previously proposed for strain reversal is extended to cross-loading. In the model, the work-hardening rate is controlled by the evolutionary laws of three dislocation densities related to forward, backward and cross-loading. A parameter which measures the amplitude of the strain path change is incorporated in this approach. It is believed that these three densities are sufficient to model many cases consisting of two stage strain paths.
Keywords
LOW-CARBON STEEL; CHANGING STRAIN PATHS; HARDENING BEHAVIOR; SINGLE-CRYSTALS; SIMPLE SHEAR; ALUMINUM; REVERSAL; MICROSTRUCTURE; EVOLUTION; TEXTURE
URI
https://oasis.postech.ac.kr/handle/2014.oak/17508
DOI
10.1088/0965-0393/19/3/035009
ISSN
0965-0393
Article Type
Article
Citation
MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING, vol. 19, no. 3, page. 3500901 - 3500909, 2011-04
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BARLAT FREDERIC GERARDBARLAT, FREDERIC GERARD
Ferrous & Energy Materials Technology
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