Energy contributions in the martensitic transformation of shape-memory alloys
作者:
A. Planes,
J.L. Macqueron,
J. Ortín,
期刊:
Philosophical Magazine Letters
(Taylor Available online 1988)
卷期:
Volume 57,
issue 6
页码: 291-298
ISSN:0950-0839
年代: 1988
DOI:10.1080/09500838808214716
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
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.
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