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Updated: Jul 5, 2026

Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation
Published on: May 2, 2016
Elastic anisotropy and low-temperature thermal expansion in the shape memory alloy Cu-Al-Zn
Santhosh Potharay Kuruvilla1, C S Menon
1School of Pure and Applied Physics, Mahatma Gandhi University Kottayam, Kerala, India. spotharay@gmail.com
Abstract:
Cu-based shape memory alloys are known for their technologically important pseudo-elastic and shapememory properties, which are intimately associated with the martensitic transformation. A combination of deformation theory and finite-strain elasticity theory has been employed to arrive at the expressions for higher order elastic constants of Cu-Al-Zn based on Keating's approach. The second- and third-order elastic constants are in good agreement with the measurements. The aggregate elastic properties like bulk modulus, pressure derivatives, mode Grüneisen parameters of the elastic waves, low temperature limit of thermal expansion, and the Anderson-Grüneisen parameter are also presented.
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