A ONE-DIMENSIONAL CONTINUUM MODEL FOR SHAPE-MEMORY ALLOYS

被引：85

作者：

ABEYARATNE, R ^{[1
]}

KIM, SJ ^{[1
]}

KNOWLES, JK ^{[1
]}

机构：

[1] CALTECH,DIV ENGN & APPL SCI,PASADENA,CA 91125

来源：

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 1994年 / 31卷 / 16期

关键词：

D O I：

10.1016/0020-7683(94)90208-9

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this paper we construct an explicit one-dimensional constitutive model that is capable of describing some aspects of the thermomechanical response of a shape-memory alloy. The model consists of a Helmholtz free-energy function, a kinetic relation and a nucleation criterion. The free-energy is associated with a three-well potential energy function; the kinetic relation is based on thermal activation theory; nucleation is assumed to occur at a critical value of the appropriate energy barrier. The predictions of the model in various quasi-static thermomechanical loadings are examined and compared with experimental observations.

引用

页码：2229 / 2249

页数：21

共 29 条

[21] THERMOPLASTICITY, PSEUDOELASTICITY AND MEMORY EFFECTS ASSOCIATED WITH MARTENSITIC TRANSFORMATIONS .2. MACROSCOPIC MECHANICAL-BEHAVIOR [J].