A modified thermomechanical modeling approach for shape memory alloy behaviour

Kamath, GM and Dayananda, GN and Senthilpriya, R (2002) A modified thermomechanical modeling approach for shape memory alloy behaviour. In: Conference on Smart Materials, Structures and Systems, 12-14 Dec 2002, Bangalore, India.

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Abstract

The Brinson-Lammering constitutive model is modified to account for the nonlinear shape memory alloy behavior. The model is divided into three modules by keeping each of the three parameters of stress, strain and temperature constant. Experiments were conducted with a NiTiCu material to obtain the model constants. The constants were then incorporated in the model and the behavior predicted. A good correlation is obtained between the theory and experiments.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Shape memory alloys;Mechanical properties;Constitutive equations;Nickel titanides;Temperature dependence; Stress-strain relationships;Mathematical models;Copper alloys;Intermetallics;Thermomechanics
Subjects: CHEMISTRY AND MATERIALS > Metals and Metallic Materials
Division/Department: Advanced Composites Division, Structures Division, Other
Depositing User: Mr. Ravikumar R
Date Deposited: 08 Sep 2006
Last Modified: 24 May 2010 09:50
URI: http://nal-ir.nal.res.in/id/eprint/2666

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