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High-temperature superelasticity during B2-L10 martensite transformations in Co40Ni33Al27 crystals

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Abstract

The temperature interval ΔT SE of superelasticity in [001]-oriented Co40Ni33Al27 (at. %) single crystals strained by tension and compression has been studied. It is established that ΔT 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, ΔT SE decreases to 105 K, and the superelasticity is observed up to 420 K.

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Authors and Affiliations

  1. Siberian Physicotechnical Institute, Tomsk State University, Tomsk, 634050, Russia

    E. Yu. Panchenko, Yu. I. Chumlyakov & A. V. Ovsyannikov

  2. Department of Mechanical Engineering, Texas A&M University, College Station, TX, 77843, USA

    I. Karaman

Authors
  1. E. Yu. Panchenko
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  2. Yu. I. Chumlyakov
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  3. A. V. Ovsyannikov
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  4. I. Karaman
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Additional information

Original Russian Text © E.Yu. Panchenko, Yu.I. Chumlyakov, A.V. Ovsyannikov, I. Karaman, 2007, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2007, Vol. 33, No. 13, pp. 32–38.

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Panchenko, E.Y., Chumlyakov, Y.I., Ovsyannikov, A.V. et al. High-temperature superelasticity during B2-L10 martensite transformations in Co40Ni33Al27 crystals. Tech. Phys. Lett. 33, 556–559 (2007). https://doi.org/10.1134/S106378500707005X

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  • DOI: https://doi.org/10.1134/S106378500707005X

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