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|Title:||Polycrystal plasticity models based on crystallographic and morphologic texture: Evaluation of predictions of plastic anisotropy and deformation texture||Authors:||Xie, Q.
VAN BAEL, Albert
Van Houtte, P.
|Issue Date:||2013||Publisher:||ELSEVIER SCIENCE SA||Source:||MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 581, p. 66-72||Abstract:||Two micro-macro scale transition models, namely the ALAMEL and visco-plastic self-consistent (VPSC) models (both predict the evolution of grain shape and texture), were used to study the effect of the initial grain shape. The evolution of plastic anisotropy was characterized by the q-value and was simulated in three directions for three low carbon steels assuming either equiaxed (hypothetical one) or a pancake (measured one) grain shape. In addition, texture evolution during rolling was investigated for one of the materials. Comparisons between the model predictions and the measured values demonstrate that the grain shape effect can be predicted well by both models. In most cases, the initial q-value can be nicely estimated by both models. VPSC is better than ALAMEL on q-value evolution prediction for simulations which consider the measured aspect ratios. For texture evolution of rolling, the effect of initial grain shape is only significant at large deformation. (C) 2013 Elsevier B.V. All rights reserved.||Notes:||[Xie, Q.; Eyckens, P.; Van Bael, A.; Van Houtte, P.] Katholieke Univ Leuven, Dept Met & Mat Engn, B-3001 Heverlee, Belgium. [Vegter, H.; Moerman, J.] Tata Steel Res Dev & Technol, IJmuiden Technol Ctr, NL-1970 CA Ijmuiden, Netherlands. [Van Bael, A.] Limburg Catholic Univ Coll KHLim, Dept IWT, B-3590 Diepenbeek, Belgium.||Keywords:||Alamel; VPSC; Grain shape effect; Texture; q-value; Rolling;Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering||Document URI:||http://hdl.handle.net/1942/15497||ISSN:||0921-5093||e-ISSN:||1873-4936||DOI:||10.1016/j.msea.2013.06.008||ISI #:||000322802400009||Category:||A1||Type:||Journal Contribution|
|Appears in Collections:||Research publications|
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