Comparative analysis of inelastic strain recovery and plastic deformation in a Ti_49.1Ni_50.9 (at %) alloy under torsion and bending

V. N. Grishkov, A. I. Lotkov, A. A. Baturin, V. N. Timkin, D. Yu Zhapova

Division for Experimental Physics

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

Abstract

The paper reports on an experimental study of inelastic strain recovery, due to superelasticity and shape-memory effects, and plastic deformation under torsion and bending in a binary TiNi alloy containing 50.9 at % of Ni. It is found that the material under torsion and bending displays an anomalously high superelasticity of 16.4% and 13.5% and total recovery strain of 24.6% and 16.4% which exceed the theoretical limit of recoverable strain equal to 10.3% in the alloy involved in a cubic B2 to monoclinic B19' phase transformation. The correlation between the high recovery strains and the intensity and mechanisms of plastic deformation with increasing total strain is discussed.

Original language	English
Title of host publication	Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures
Publisher	American Institute of Physics Inc.
Volume	1683
ISBN (Electronic)	9780735413306
DOIs	https://doi.org/10.1063/1.4932757
Publication status	Published - 27 Oct 2015
Event	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015 - Tomsk, Russian Federation Duration: 21 Sep 2015 → 25 Sep 2015

Conference

Conference	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015
Country	Russian Federation
City	Tomsk
Period	21.9.15 → 25.9.15

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ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Grishkov, V. N., Lotkov, A. I., Baturin, A. A., Timkin, V. N., & Zhapova, D. Y. (2015). Comparative analysis of inelastic strain recovery and plastic deformation in a Ti_49.1Ni_50.9 (at %) alloy under torsion and bending. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures (Vol. 1683). [020067] American Institute of Physics Inc.. https://doi.org/10.1063/1.4932757

Comparative analysis of inelastic strain recovery and plastic deformation in a Ti_49.1Ni_50.9 (at %) alloy under torsion and bending. / Grishkov, V. N.; Lotkov, A. I.; Baturin, A. A.; Timkin, V. N.; Zhapova, D. Yu.

Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. Vol. 1683 American Institute of Physics Inc., 2015. 020067.

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

Grishkov, VN, Lotkov, AI, Baturin, AA, Timkin, VN & Zhapova, DY 2015, Comparative analysis of inelastic strain recovery and plastic deformation in a Ti_49.1Ni_50.9 (at %) alloy under torsion and bending. in Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. vol. 1683, 020067, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015, Tomsk, Russian Federation, 21.9.15. https://doi.org/10.1063/1.4932757

Grishkov VN, Lotkov AI, Baturin AA, Timkin VN, Zhapova DY. Comparative analysis of inelastic strain recovery and plastic deformation in a Ti_49.1Ni_50.9 (at %) alloy under torsion and bending. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. Vol. 1683. American Institute of Physics Inc. 2015. 020067 https://doi.org/10.1063/1.4932757

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AB - The paper reports on an experimental study of inelastic strain recovery, due to superelasticity and shape-memory effects, and plastic deformation under torsion and bending in a binary TiNi alloy containing 50.9 at % of Ni. It is found that the material under torsion and bending displays an anomalously high superelasticity of 16.4% and 13.5% and total recovery strain of 24.6% and 16.4% which exceed the theoretical limit of recoverable strain equal to 10.3% in the alloy involved in a cubic B2 to monoclinic B19' phase transformation. The correlation between the high recovery strains and the intensity and mechanisms of plastic deformation with increasing total strain is discussed.

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Access to Document

10.1063/1.4932757