Modelling of the Two-Way Shape Memory Effect
Source abstract
Abstract
After detailed analyses ofthe microstructural mechanism and training methods ofthe two-way shape memory effect, a further refinement of the transformation kinetic expressions for shape memory alloys (SMAs) is derived. A one-dimensional thermomechanical constitutive model for the two-way effect which undergoes thermoelastic martensitic transformation and its reverse transformation is presented based on the one-way effect model of Liang and Rogers. This model reflects the essence of SMAs in a very simple form and therefore is easy to use in engineering design. It is revealed that the material parameters required by this model can be calculated or measured using standard material testing apparatus. The computer simulation results are in agreement with the experimental data that has been published in the open literature. It is demonstrated that the theory developed can quantitatively predict and describe the behaviour of SMAs and be imposed on the two-way shape memory effect.
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Research context
OpenAlex topics: Shape Memory Alloy Transformations · Microstructure and Mechanical Properties of Steels · Topology Optimization in Engineering
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Center for Intelligent Material Systems and Structures, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0261
References (33)
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