12 Result(s)

Article

Orientation Dependence of Shape Memory Effect and Superelasticity in (TiZrHf)₅₀Ni₂₅Co₁₀Cu₁₅ High-Entropy Alloy Single Crystals

Shape memory effect (SME) and superelasticity (SE) were studied on the (TiZrHf)₅₀Ni₂₅Co₁₀Cu₁₅ high-entropy alloy single crystals under compression along three different crystallographic orientations in B2-phase (...

Y. I. Chumlyakov, I. V. Kireeva, Z. V. Pobedennaya… in Shape Memory and Superelasticity (2023)

Article

Shape Memory Effect and Superelasticity of [001]-Oriented (TiZrHf)₅₀Ni₂₅Co₁₀Cu₁₅ High-Entropy Alloy Crystals Under Compression

For the first time, the shape memory effect (SME) and superelasticity (SE) of [001]-oriented single crystals of a (TiZrHf)₅₀Ni₂₅Co₁₀Cu₁₅ high-entropy alloy (HEA) are studied under compression. SE is observed with...

Yu.I. Chumlyakov, I. V. Kireeva, Z. V. Pobedennaya… in Russian Physics Journal (2023)

Article

Mechanical Behavior of Differently Oriented (CoCrFeNi)₉₄Ti₂Al₄ Single Crystals

The paper analyzes the mechanical behavior and plastic deformation mechanisms (slip, twinning) in single-crystalline high-entropy fcc alloy (CoCrFeNi)₉₄Ti₂Al₄ (at %) in relation to the crystal ori...

I. V. Kireeva, Yu. I. Chumlyakov, A. A. Saraeva, A. V. Vyrodova… in Physical Mesomechanics (2021)

Article

Temperature and Orientation Dependence of the Mechanical Properties of Al_0.3CoCrFeNi High-Entropy Alloy Single Crystals Hardened by Non-Coherent β- Phase Particles

Aging of the Al_0.3CoCrFeNi high-entropy alloy single crystals for 50 h at a temperature of 973 K leads to the precipitation of non-coherent non-equiaxed β-phase particles with B2-type ordering, average length l =...

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

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 σ_cr(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)

Article

The orientation dependence of critical shear stresses in Al_0.3CoCrFeNi high-entropy alloy single crystals

It is established that the critical shear stresses under tensile strain of Al_0.3CoCrFeNi 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)

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)

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)

Article

Orientation dependence of superelasticity in ferromagnetic single crystals Co₄₉Ni₂₁Ga₃₀

Dependence of the amount of reversible deformation on the orientation of the crystal axis and testing temperature has been studied using [001] and [ ...

I. V. Kireeva, Yu. I. Chumlyakov… in The Physics of Metals and Metallography (2010)

Article

Effect of orientation on the high-temperature superelasticity in Co₄₉Ni₂₁Ga₃₀ single crystals

The temperature interval ΔT _SE of superelasticity in [001]-, [ \( \bar 1 \) 23]-, and [ ...

I. V. Kireeva, Z. V. Pobedennaya, Yu. I. Chumlyakov, J. Pons… in Technical Physics Letters (2009)

Article

High-temperature superelasticity in CoNiGa, CoNiAl, NiFeGa, and TiNi monocrystals

The influence of the crystal orientation on the thermoelastic martensitic transformations develo** under load was investigated for Co₄₉Ni₂₁Ga₃₀, Co₄₀Ni₃₃Al₂₇, Co₃₅Ni₃₅Al₃₀, Ni₅₄Fe₁₉Ga₂₇, and Ti_49.4Ni_50.6 (аt. %...

Yu. I. Chumlyakov, I. V. Kireeva, E. Yu. Panchenko… in Russian Physics Journal (2008)

Article

Orientation dependence of the shape memory effect and superelasticity in Co₄₉Ni₂₁Ga₃₀ ferromagnetic single crystals

I. V. Kireeva, Yu. I. Chumlyakov, Z. V. Pobedennaya, I. Karaman… in Doklady Physics (2007)