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Polycrystalline Plasticity and the Evolution of Crystallographic Texture in FCC Metals
C. A. Bronkhorst, S. R. Kalidindi and L. Anand
Philosophical Transactions: Physical Sciences and Engineering
Vol. 341, No. 1662 (Dec. 15, 1992), pp. 443-477
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/54154
Page Count: 10
You can always find the topics here!Topics: Surface texture, Simulations, Deformation, Modeling, Shear stress, Polycrystals, Crystals, Plasticity, Simple shear, Street performers
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A Taylor-type model for large deformation polycrystalline plasticity is formulated and evaluated by comparing the predictions for the evolution of crystallographic texture and the stress-strain response in simple compression and tension, plane strain compression, and simple shear of initially `isotropic' OFHC copper against (a) corresponding experiments, and (b) finite element simulations of these experiments using a multitude of single crystals with accounting for the satisfaction of both compatibility and equilibrium. Our experiments and calculations show that the Taylor-type model is in reasonable first-order agreement with the experiments for the evolution of texture and the overall stress-strain response of single-phase copper. The results of the finite element calculations are in much better agreement with experiments, but at a substantially higher computational expense.
Philosophical Transactions: Physical Sciences and Engineering © 1992 Royal Society