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Numerical simulations of poly‐crystalline shape‐memory alloys based on a micromechanical model
Author(s) -
Junker Philipp,
Hackl Klaus
Publication year - 2009
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.200910143
Subject(s) - shape memory alloy , materials science , texture (cosmology) , finite element method , orientation (vector space) , phase (matter) , micromechanics , composite material , geometry , structural engineering , computer science , physics , engineering , mathematics , artificial intelligence , composite number , image (mathematics) , quantum mechanics
Based on a micormechanical model we describe the material behaviour of specimens made of shape memory alloys by a finite element implementation. These materials undergo solid to solid phase transformations during loading and unloading which determine the characteristic pseudo‐elastic or pseudo‐plastic material response. Phase transitions, orientation distribution (pole figures) and the influence of pre‐texture on the specimen, due to some previous treatment like rolling, are discussed. (© 2009 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)