A phenomenological description of shape memory alloy transformation induced plasticity

Transformation induced plasticity is defined as the plastic flow arising from solid state phase transformation processes involving volume and/or shape changes without overlapping the yield surface. This phenomenon occurs in shape memory alloys (SMAs) having significant influence over their macroscop...

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Bibliographic Details
Published in:Meccanica (Milan) 2018-08, Vol.53 (10), p.2503-2523
Main Authors: Oliveira, Sergio de A., Dornelas, Vanderson M., Savi, Marcelo A., Pacheco, Pedro Manuel C. L., Paiva, Alberto
Format: Article
Language:English
Subjects:
Automotive Engineering
Civil Engineering
Classical Mechanics
Computer simulation
Constitutive models
Martensitic transformations
Mathematical models
Mechanical Engineering
Phase transitions
Physics
Physics and Astronomy
Plastic flow
Plastic properties
Production methods
Shape memory alloys
Thermomechanical analysis
Thermomechanical properties
Three dimensional models
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Summary:Transformation induced plasticity is defined as the plastic flow arising from solid state phase transformation processes involving volume and/or shape changes without overlapping the yield surface. This phenomenon occurs in shape memory alloys (SMAs) having significant influence over their macroscopic thermomechanical behavior. This contribution presents a macroscopic three-dimensional constitutive model to describe the thermomechanical behavior of SMAs including classical and transformation induced plasticity. Comparisons between numerical and experimental results attest the model capability to capture plastic phenomena. Both uniaxial and multiaxial simulations are carried out.
ISSN:0025-6455
1572-9648
DOI:10.1007/s11012-018-0836-0