Amorphous-crystalline Ti2NiCu alloy rapidly quenched ribbons annealed by DSC and electric pulses

S.P. Belyaev, N.N. Resnina, A.V. Irzhak, V.V. Istomin-Kastrovsky, V.V. Koledov, D.S. Kuchin, V.G. Shavrov, P. Ari-Gur, A.V. Shelyakov, N.Y. Tabachkova

Research output

16 Citations (Scopus)

Abstract

Samples of Ti2NiCu rapidly-quenched alloy with different fractions of crystalline phase were prepared from as-spun amorphous ribbons by two different techniques: applying electric pulse and annealing in differential scanning calorimeter (DSC). The structure and thermomechanical properties of these samples were studied. Spherulites were found in a structure of the samples prepared by DSC. And the mixture of amorphous and nanocrystalline structures with mean grain size less than 10 nm was observed by TEM for samples annealed by electric current. The two-way shape memory was induced in the fractionally crystallized samples by single deformation at cooling below the martensite transformation temperature. (C) 2013 Elsevier B. V. All rights reserved.
Original languageEnglish
Pages (from-to)S222-S224
JournalJournal of Alloys and Compounds
Volume586
Issue number1 Suppl.
DOIs
Publication statusPublished - 2014

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