A constitutive model for quasicrystal plasticity

M. Feuerbacher; P. Schall; Y. Estrin; Y. Brechet

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A constitutive model for quasicrystal plasticity

机译：准晶体塑性本构模型

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A constitutive model for quasicrystal plastic deformation is presented. The constitutive description incorporates an order parameter that accounts for deformation-induced disordering and thermally activated reordering. An evolution equation for the order parameter constitutes part of the model. Model predictions, such as the calculated dislocation density evolution and the attendant stress-strain behaviour, are compared with experimental data. A good accord between the calculations and the experiment gives us the confidence that the model captures the salient features of quasicrystal plasticity.

机译：提出了准晶体塑性变形的本构模型。本构描述包含一个顺序参数，该顺序参数说明了变形引起的无序性和热激活的重新排序。顺序参数的演化方程构成模型的一部分。将模型预测，例如计算出的位错密度演变和伴随的应力-应变行为，与实验数据进行比较。计算与实验之间的良好一致性使我们确信该模型捕获了准晶体可塑性的显着特征。

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来源
《Philosophical Magazine Letters》 |2001年第7期|共10页
作者
M. Feuerbacher; P. Schall; Y. Estrin; Y. Brechet;
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正文语种 eng
中图分类物理学;
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A constitutive model for quasicrystal plasticity

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