Shape-memory behavior is the ability of certain materials to recover, on heating, apparently plastic deformation sustained below a critical temperature. Some materials have good shape-memory behavior as single crystals but little or none as polycrystals, while others display good shape-memory behavior even as polycrystals. We propose a method for explaining the difference. Our analysis involves the texture of the polycrystal and the character of the underlying martensitic phase transformation. It makes use of a constant strain hypothesis' analogous to that introduced by Taylor for polycrystalline plasticity. We also discuss the validity of the constant strain hypothesis.
|Number of pages
|American Society of Mechanical Engineers, Applied Mechanics Division, AMD
|Published - 1994
|Proceedings of the 1994 International Mechanical Engineering Congress and Exposition - Chicago, IL, USA
Duration: Nov 6 1994 → Nov 11 1994
ASJC Scopus subject areas
- Mechanical Engineering