Automatic equipment with improved performances (ATD and DSC) in shape memory alloys studies |
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| Authors: | A. Amengual A. Isalgue F. Marco H. Tachoire V. Torra V. R. Torra |
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| Affiliation: | (1) Applied Physics Department, Univ. Politecnica de Catalunya, Jordi Girona Salgado 31, E-08034 Barcelona, Spain;(2) Present address: Physics Dept. Univ. Illes Balears, E-07071 Palma de Mallorca, Spain;(3) Present address: Thermochemical Lab., Univ. Provence, F13331 Marseille Cedex 03, France |
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| Abstract: | We describe an experimental set-up of high resolution thermal analysis (HRTA) activated by Peltier effect and computer-controlled by the signal processing that allows a high resolution programming of the temperature and a reproducibility better than ±0.01 deg.The basic equipment is suitable for studying the behaviour of the shape memory alloys (i.e. Cu based alloys). We also describe the applications of the system, which allows to build up a calorimetric system (heat flux or conduction calorimetry) (resolution 1.5  W) or a stress-strain-temperature system of 20 N of maximum charge (resolution around 1 mN and 0.1 m.CICYT projects MAT89-407-C03-01 and PETRI-90 are gratefully acknowledged. H. T. acknowledges the DGICYT (sabbatic program) for financial aid in international cooperation. The enlightening discussions with Dr. F. C. Lovey (Centro Atomico Bariloche - Argentina) are also acknowledged. |
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| Keywords: | shape memory alloys |
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