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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Santos Martins, Rui Miguel
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Publications (6/6 displayed)
- 2015Effects of Long-Term Aging in Arsenical Copper Alloyscitations
- 2008In-situ study of the preferential orientation of magnetron sputtered ni-ti thin films as a function of bias and substrate type
- 2008The interfacial diffusion zone in magnetron sputtered Ni-Ti thin films deposited on different Si substrates studied by HR-TEMcitations
- 2008Study of graded Ni-Ti shape memory alloy film growth on Si(100) substratecitations
- 2004Effect of thermal cycling on the transformation temperatures of a Ni-Ti shape memory alloycitations
- 2002Structural characterisation of NiTi thin film shape memory alloyscitations
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document
Effect of thermal cycling on the transformation temperatures of a Ni-Ti shape memory alloy
Abstract
Shape. memory. alloys (SMA) represents a class. of metallic materials that has the capability of recovering a previously defined initial shape when subject to an adequate thermomechanical treatment. The present work aims to study the influence of thermal cycles on the transition temperatures of a Ni-Ti alloy. In this system, :small variations around the equiatomic composition give rise to significant transformation temperature variations :ranging from 173 to 373 K. SMA usually;presents the shape memory effect after an annealing treatment at ca. 973 K. The optimisation of the thermomechanical treatment will allow to "tune" the material to different transformation temperature ranges from the same starting material just by changing the processingconditions. Differential scanning calorimeter (DSC) and in situ high-temperature X-ray diffraction (XRD) shave been used to identify the transformation temperatures and the phases that are present after different thermal cycles. The results concerning a :series of thermal cycles with different heating and cooling rates (from 1.67 x 10(-2) to 1.25 x 10(-1) K/s) and different holding temperatures (from 473 to 1033 K) are presented. (C) 2004 Elsevier B.V. All rights reserved.