Energy contributions in the martensitic transformation of shape-memory alloys
- 1 June 1988
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine Letters
- Vol. 57 (6) , 291-298
- https://doi.org/10.1080/09500838808214716
Abstract
The thermoelastic martensitic transformation in shape-memory alloys is studied thermodynamically. Calorimetric experiments on the Cu─Zn─A1 alloy system reveal that the transformation takes place with a practically negligible entropy production. The usual hysteretic subloop behaviour during partial cycling is obtained for the first time by calorimetry. An analysis of the measurements gives the quantitative behaviour of elastic and dissipative energies with the volume fraction of martensite.Keywords
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