Structure and Shape Memory Effect in Annealed Ni-Ti-Co Strip Produced by Twin Roll Casting Technique |
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| Journal | Solid State Phenomena (Volume 154) |
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| Volume | Smart Materials for Smart Devices and Structures |
| Edited by | Marcin Leonowicz and Dariusz Oleszak |
| Pages | 59-64 |
| DOI | 10.4028/www.scientific.net/SSP.154.59 |
| Citation | Tomasz Goryczka, 2009, Solid State Phenomena, 154, 59 |
| Online since | April, 2009 |
| Authors | Tomasz Goryczka |
| Keywords | Martensitic Transformation (MT), Ni-Ti-Co, Shape Memory Alloy Actuator, Shape-Memory Effect, Twin Roll Caster |
| Abstract | The ternary Ni47Ti50Co3 alloy was produced using twin rolls casting technique. The strip was annealed at 3000C, 4000C or 5000C for 1 hour. Annealing was carried out in real condition without protection atmosphere. The strips revealed a multi-stage martensitic transformation. However, the origin of this multi-stage transformation is different in the as-cast strip when compare to the thermally treated samples. Thermal treatment increases amount of preferentially oriented grains and in consequence higher degree of the shape recovery can be obtained. |
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