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Proceedings Paper

Quasi-continuum analysis of phase transformations in shape memory alloys
Author(s): G. Rengarajan; J. N. Reddy
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Paper Abstract

There are three inherent length scales associated with the shape memory phenomena. At the continuum length scale, we can describe the global response of a shape memory material in a phenomenological sense. At the other end, in the atomic length scale, the motion of atoms (diffusionless, in this case) causing the phase change can be studied by experiments (both physical and numerical). In between the two length scales lies the mesoscopic length scale wherein the microstructure is the dominating material feature. In order to study the phase transformation and the associated microstructure at this scale, we adopt a recently proposed technique called the quasicontinuum method. This technique marries the continuum and atomic length scales.

Paper Details

Date Published: 16 April 1998
PDF: 11 pages
Proc. SPIE 3321, 1996 Symposium on Smart Materials, Structures, and MEMS, (16 April 1998); doi: 10.1117/12.305607
Show Author Affiliations
G. Rengarajan, Texas A&M Univ. (Austria)
J. N. Reddy, Texas A&M Univ. (United States)

Published in SPIE Proceedings Vol. 3321:
1996 Symposium on Smart Materials, Structures, and MEMS
Vasu K. Aatre; Vijay K. Varadan; Vasundara V. Varadan, Editor(s)

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