Microthermodynamics analysis of the shape memory effect in composite materials
Book
·
OSTI ID:395156
- Texas A and M Univ., College Station, TX (United States)
The shape memory effect and pseudoelasticity due to phase transformation in shape memory alloy (SMA) composites is modeled using a two part procedure. First, phenomenological constitutive equations are proposed for the monolithic polycrystalline SMA material. The equations are of the generalized standard material type, in which the response is given by a convex free energy function and a dissipation potential. Second, a micromechanics analysis of a SMA composite material is performed to derive its free energy, transformation strain rate, and Clausius-Clapeyron equation. Specific results are given for a Nitinol SMA fiber/elastomer matrix composite.
- OSTI ID:
- 395156
- Report Number(s):
- CONF-940691--; ISBN 1-56676-171-9
- Country of Publication:
- United States
- Language:
- English
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