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Proceedings Paper

One-dimensional sharp-phase-front-based continuum models of phase transformations in shape memory alloys
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Paper Abstract

The issue of phase transformations in shape memory alloys is revisited in the 1D context. We focus on problems where there is a sharp interface between the two phase of austenite and martensite. Apart from the usual conservations equations, it is proposed that an extra equation be used to render the system of equations complete, when a first-order transition is considered. Seen within this context, the following two approaches can be derived as special cases: (i) Leo et al approach where the phase boundary temperature is taken to be linearly related to the stress, (ii) Abeyaratne and Knowles approach where a kinetic relation is assumed. Certain other implications of the new approach are discussed in light of these special cases.

Paper Details

Date Published: 14 June 2000
PDF: 12 pages
Proc. SPIE 3992, Smart Structures and Materials 2000: Active Materials: Behavior and Mechanics, (14 June 2000); doi: 10.1117/12.388236
Show Author Affiliations
Abhijit Bhattacharyya, Univ. of Alberta (United States)
Vesselin Stoilov, Univ. of Alberta (Canada)


Published in SPIE Proceedings Vol. 3992:
Smart Structures and Materials 2000: Active Materials: Behavior and Mechanics
Christopher S. Lynch, Editor(s)

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