Yanushonite E. I. 1, Panchenko E. Yu. 1, Tokhmetova A. B.1, Chumlyakov Yu. I. 1
1Tomsk State University, Tomsk, Russia
Email: yanushonite98@mail.ru
The cyclic stability of superelasticity and elastocaloric effect under compression deformation in initial and aged at 773 K, 1 h [001]-single crystals of Ni54Fe19Ga27 alloy (at.%) was investigated. It was established that single crystals exhibit high cyclic stability of the elastocaloric effect with a stable value of Δ Tad=9.2± 0.5 K (for initial) and 8.2± 0.5 K (for aged) up to 105 load/unload cycles without sample destruction. The conditions of high stability and microstructural mechanisms of degradation of superelasticity parameters in single crystals of Ni54Fe19Ga27 alloy are analyzed. Keywords: single crystal, superelasticity, elastocaloric effect.
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Дата начала обработки статистических данных - 27 января 2016 г.