A mixture theory based constitutive model for SMA (Q1566594)
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scientific article; zbMATH DE number 1452833
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A mixture theory based constitutive model for SMA |
scientific article; zbMATH DE number 1452833 |
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A mixture theory based constitutive model for SMA (English)
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17 November 2002
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A three-dimensional constitutive theory for shape memory alloys (SMA) is proposed on the basis of a mixture theory. The system is considered as a dynamic mixture of an austensitic hyperelastic phase, and a martensitic elastoplastic phase. Low-temperature ferroelasticity and high-temperature pseudoelasticity of an alloy (Au-47,5 at Cd) are analyzed within this model, leading to good agreement with experimental results. Stress-induced forward and inverse transformation, shape memory effects and the temperature dependence of critical stress are also described satisfactorily.
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three-dimensional constitutive theory
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shape memory alloys
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mixture theory
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austensitic hyperelastic phase
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martensitic elastoplastic phase
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low-temperature ferroelasticity
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high-temperature pseudoelasticity
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critical stress
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