Influence of Heat-Treatment on Mechanical Properties and Transformation Temperatures of Nitinol

Dalibor Vojtěch; Alena Michalcová

doi:10.4028/www.scientific.net/KEM.465.471

Paper Titles

Role of Pyrolysis Conditions on Fracture Behaviour of Fibre Reinforced Composites
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Microstructural Effect and Material Homogenization of Thermal-Hydroforming Magnesium Alloy Tubes
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Influence of Heat Treatment on Fatigue Crack Growth in Ti-6Al-4V Alloy
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Oscillation Marks and Hooks on the Surface of Concast Slabs and their Relation to Breakout
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Influence of Heat-Treatment on Mechanical Properties and Transformation Temperatures of Nitinol
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Fracture Toughness of HVOF Sprayed Cermet Coatings Measured by Vickers Indentation
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Mechanical Analysis of Multi-Textural Rocks (Brecciated Dolostones and Limestones): A New Micro-Compression Test for Rocks
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Mechanical Evolution of Lime Mortars during the Carbonation Process
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Mechanical Characterisation of Ancient Egyptian Mortars
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Influence of Heat-Treatment on Mechanical Properties and Transformation Temperatures of Nitinol

Abstract:

Nearly equi-atomic Ni-Ti alloys (nitinol) show shape memory behavior, superelasticity, high strength, excellent corrosion resistance and biocompatibility, making them of interest for various biomedical applications. In processing, they experience various heat treating steps. The present work illustrates influence of a short-time heat treatments (several minutes) at moderate temperatures (around 500°C) on transformation temperature Af and on mechanical properties.