Innovative Technology for Preparation of Seamless Nitinol Tubes Using SHS Without Forming
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- Salvetr, P., Pecenová, Z., Školáková, A. et al. Metall and Mat Trans A (2017) 48: 1524. doi:10.1007/s11661-017-3974-4
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This paper presents innovative technology for the production of seamless Ni-Ti tubes using self-propagating high-temperature synthesis (SHS). The proposed production technology is a unique method which removes the need of forming operations, reduces machining processes, and at the same time it eliminates the negatives of production Ni-Ti alloys by conventional melting methods. The proposed process consists in SHS reaction in evacuated silica tube with the use of extremely high heating rate (over 300 K min−1).