Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy

Irina Kireeva; Yurii Chumlyakov; Zinaida Pobedennaya; Dmitrii Kuksgauzen; Ibrahim Karaman; Huseyin Sehitoglu

doi:10.1063/1.4966383

Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy

Irina Kireeva, Yurii Chumlyakov, Zinaida Pobedennaya, Dmitrii Kuksgauzen, Ibrahim Karaman, Huseyin Sehitoglu

Mechanical Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Single crystals of fcc Fe₂₀Ni₂₀Mn₂₀Cr₂₀Co₂₀ (atom percent) high entropy alloy oriented along the [1-11] direction are used to study flow curves and deformation mechanisms - slip, twinning under tensile deformation at early stages of plastic flow, ϵ = 2.5-5.0%, at the test temperature of 77 and 296 K. It is shown that twinning in [1-11] -oriented single crystals is observed from the beginning of plastic flow when ϵ = 2.5-5.0% from 77 to 296 K. Plastic flow in [1-11]-oriented single crystals under tension is developed with the high strain hardening coefficients 1800 and 2000 MPa, respectively, at 296 and 77 K. It is also characterized by a good plasticity of 58 and 60% and by a high level of stresses before fracture, 980 and 1580 MPa, respectively, at 296 and 77 K.

Original language	English (US)
Title of host publication	Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
Subtitle of host publication	Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
Editors	Sergey G. Psakhie, Vasily M. Fomin, Victor E. Panin
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735414457
DOIs	https://doi.org/10.1063/1.4966383
State	Published - Nov 10 2016
Event	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 - Tomsk, Russian Federation Duration: Sep 19 2016 → Sep 23 2016

Publication series

Name	AIP Conference Proceedings
Volume	1783
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
Country/Territory	Russian Federation
City	Tomsk
Period	9/19/16 → 9/23/16

ASJC Scopus subject areas

General Physics and Astronomy

Online availability

10.1063/1.4966383

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Kireeva, I., Chumlyakov, Y., Pobedennaya, Z., Kuksgauzen, D., Karaman, I., & Sehitoglu, H. (2016). Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy. In S. G. Psakhie, V. M. Fomin, & V. E. Panin (Eds.), Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 Article 020090 (AIP Conference Proceedings; Vol. 1783). American Institute of Physics Inc.. https://doi.org/10.1063/1.4966383

Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy. / Kireeva, Irina; Chumlyakov, Yurii; Pobedennaya, Zinaida et al.
Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. ed. / Sergey G. Psakhie; Vasily M. Fomin; Victor E. Panin. American Institute of Physics Inc., 2016. 020090 (AIP Conference Proceedings; Vol. 1783).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kireeva, I, Chumlyakov, Y, Pobedennaya, Z, Kuksgauzen, D, Karaman, I & Sehitoglu, H 2016, Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy. in SG Psakhie, VM Fomin & VE Panin (eds), Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016., 020090, AIP Conference Proceedings, vol. 1783, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016, Tomsk, Russian Federation, 9/19/16. https://doi.org/10.1063/1.4966383

Kireeva I, Chumlyakov Y, Pobedennaya Z, Kuksgauzen D, Karaman I, Sehitoglu H. Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy. In Psakhie SG, Fomin VM, Panin VE, editors, Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. American Institute of Physics Inc. 2016. 020090. (AIP Conference Proceedings). doi: 10.1063/1.4966383

Kireeva, Irina ; Chumlyakov, Yurii ; Pobedennaya, Zinaida et al. / Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy. Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. editor / Sergey G. Psakhie ; Vasily M. Fomin ; Victor E. Panin. American Institute of Physics Inc., 2016. (AIP Conference Proceedings).

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title = "Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy",

abstract = "Single crystals of fcc Fe20Ni20Mn20Cr20Co20 (atom percent) high entropy alloy oriented along the [1-11] direction are used to study flow curves and deformation mechanisms - slip, twinning under tensile deformation at early stages of plastic flow, ϵ = 2.5-5.0%, at the test temperature of 77 and 296 K. It is shown that twinning in [1-11] -oriented single crystals is observed from the beginning of plastic flow when ϵ = 2.5-5.0% from 77 to 296 K. Plastic flow in [1-11]-oriented single crystals under tension is developed with the high strain hardening coefficients 1800 and 2000 MPa, respectively, at 296 and 77 K. It is also characterized by a good plasticity of 58 and 60% and by a high level of stresses before fracture, 980 and 1580 MPa, respectively, at 296 and 77 K.",

author = "Irina Kireeva and Yurii Chumlyakov and Zinaida Pobedennaya and Dmitrii Kuksgauzen and Ibrahim Karaman and Huseyin Sehitoglu",

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T1 - Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy

AU - Kireeva, Irina

AU - Chumlyakov, Yurii

AU - Pobedennaya, Zinaida

AU - Kuksgauzen, Dmitrii

AU - Karaman, Ibrahim

AU - Sehitoglu, Huseyin

PY - 2016/11/10

Y1 - 2016/11/10

N2 - Single crystals of fcc Fe20Ni20Mn20Cr20Co20 (atom percent) high entropy alloy oriented along the [1-11] direction are used to study flow curves and deformation mechanisms - slip, twinning under tensile deformation at early stages of plastic flow, ϵ = 2.5-5.0%, at the test temperature of 77 and 296 K. It is shown that twinning in [1-11] -oriented single crystals is observed from the beginning of plastic flow when ϵ = 2.5-5.0% from 77 to 296 K. Plastic flow in [1-11]-oriented single crystals under tension is developed with the high strain hardening coefficients 1800 and 2000 MPa, respectively, at 296 and 77 K. It is also characterized by a good plasticity of 58 and 60% and by a high level of stresses before fracture, 980 and 1580 MPa, respectively, at 296 and 77 K.

AB - Single crystals of fcc Fe20Ni20Mn20Cr20Co20 (atom percent) high entropy alloy oriented along the [1-11] direction are used to study flow curves and deformation mechanisms - slip, twinning under tensile deformation at early stages of plastic flow, ϵ = 2.5-5.0%, at the test temperature of 77 and 296 K. It is shown that twinning in [1-11] -oriented single crystals is observed from the beginning of plastic flow when ϵ = 2.5-5.0% from 77 to 296 K. Plastic flow in [1-11]-oriented single crystals under tension is developed with the high strain hardening coefficients 1800 and 2000 MPa, respectively, at 296 and 77 K. It is also characterized by a good plasticity of 58 and 60% and by a high level of stresses before fracture, 980 and 1580 MPa, respectively, at 296 and 77 K.

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Mechanisms of plastic deformation in [1 - 11] -oriented single crystals of FeNiMnCrCo high entropy alloy

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