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  1. No Access

    Article

    Superelasticity in Quenched and Aged FeMnAlNiTi Oligocrystals under Compression

    The paper studies superelasticity in a 203–523 K temperature range of the 42.5Fe-34Mn-15Al-7.5Ni-1Ti at.% oligocrystals quenched and aged at 473 K for 3 hours. It is shown that the critical stress for the stre...

    I. V. Kuksgauzen, V. V. Poklonov, Yu. I. Chumlyakov… in Russian Physics Journal (2021)

  2. No Access

    Article

    The Influence of Heat Treatmnet and Stress State on Functional and Mechanical Properties of [001]-Oriented FeNiCoAlTi Single Crystals

    The effect of γ'- and β-phase particles on the γ–α' thermoelastic martensitic transformation (MT) during heating/cooling and under stress in [001]-oriented single crystals of a Fe – 28% Ni – 17% Co – 11.5% Al ...

    I. V. Kuksgauzen, Yu. I. Chumlyakov, I. V. Kireeva… in Russian Physics Journal (2021)

  3. No Access

    Article

    Superelasticity and Shape Memory Effect Under Tension and Compression in the [001]-Oriented Single Crystals of Non-Equiatomic FeNiCoAlTi High-Entropy Alloy

    The effect of γ′-phase dispersed particles on the temperature dependence of the stresses of the start of martensitic transformations σcr(T), the shape memory effect, and the superelasticity is investigated depend...

    Yu. I. Chumlyakov, I. V. Kireeva, I. V. Kuksgauzen… in Russian Physics Journal (2020)

  4. No Access

    Article

    The orientation dependence of critical shear stresses in Al0.3CoCrFeNi high-entropy alloy single crystals

    It is established that the critical shear stresses under tensile strain of Al0.3CoCrFeNi high-entropy alloy single crystals are independent of crystal orientation. It is shown that the development of the planar d...

    I. V. Kireeva, Yu. I. Chumlyakov, Z. V. Pobedennaya… in Technical Physics Letters (2017)

  5. No Access

    Article

    Slip and Twinning in the [ \( \overline{\mathbf{1}} \) 49]-Oriented Single Crystals of a High-Entropy Alloy

    Using [ 1 ¯ ...

    I. V. Kireeva, Yu. I. Chumlyakov, Z. V. Pobedennaya… in Russian Physics Journal (2016)

  6. No Access

    Article

    Thermoelastic Martensitic Transformations in Single Crystals of FeNiCoAlX(B) Alloys

    Using single crystals of Fe-based disordered alloys (Fe – 28% Ni – 17% Co – 11.5% Al – 2.5% Х (0.05% B) (at.%) (X = Ti, Nb(B), (Ti + Nb)B), undergoing thermoelastic γ-α′-martensitic transformations (MTs), it is s...

    Yu. I. Chumlyakov, I. V. Kireeva, O. A. Kuts, Yu. N. Platonova… in Russian Physics Journal (2016)

  7. No Access

    Article

    The shape-memory effect and superelasticity in single-crystal ferromagnetic alloy FeNiCoAlTi

    The reversible thermoelastic γ-α′ martensitic transformations under load in new single-crystal ferromagnetic Fe-28%Ni-17%Co-11.5%Al-2.5%Ti (at %) alloy have been studied. It is shown for the first time that pr...

    Yu. I. Chumlyakov, I. V. Kireeva, V. V. Poklonov… in Technical Physics Letters (2014)