| Issue |
EPJ Web of Conferences
Volume 6, 2010
ICEM 14 – 14th International Conference on Experimental Mechanics
|
|
|---|---|---|
| Article Number | 29007 | |
| Number of page(s) | 7 | |
| Section | Shape Memory Alloys | |
| DOI | https://doi.org/10.1051/epjconf/20100629007 | |
| Published online | 10 June 2010 | |
https://doi.org/10.1051/epjconf/20100629007
Thermoelastic analysis of a copper-based monocristalline shape-memory alloy
1
Laboratoire de Mécanique et Ingénieries (LaMI), Université
Blaise Pascal (UBP) & Institut Français de Mécanique Avancée
(IFMA), Campus de Clermont-ferrand - Les Cézeaux,
BP 265,
63175
Aubière cedex,
France
2
École Supérieure des Mines de Saint-Étienne, Centre « Science
des Matériaux et des Structures » UMR CNRS 5176 PECM,
158 cours Fauriel,
42023
Saint-Etienne cedex 2,
France.
a e-mail : xavier.balandraud@ifma.fr
The objective of this study is to observe the thermoelastic coupling effect in a monocrystalline Cu-Al-Be shape-memory alloy. The orientation of the austenite crystal is measured by Microfocus X-ray texture analysis. Uniaxial cyclic loading is applied to the specimen at room temperature. Infrared thermography is used to capture temperature fields on the specimen surface. The approach consists in analysing the cyclic temperature oscillation of points located on the surface of the specimen. The study highlights first the significant difference between the thermoelastic couplings in austenite and martensite. Second the anisotropy of both phases, especially the martensite, is evidenced.
© Owned by the authors, published by EDP Sciences, 2010
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