High-temperature superelasticity during B2-L1(0) martensite transformations in Co40Ni33Al27 crystals
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The temperature interval T SE of superelasticity in -oriented Co40Ni33Al27 (at. %) single crystals strained by tension and compression has been studied. It is established that T SE in tension amounts to 220 K, and the reversible B2-L10 martensite transformations in loaded samples take place at 590 K. In the samples strained by compression, T SE decreases to 105 K, and the superelasticity is observed up to 420 K. 2007 Pleiades Publishing, Ltd.