Temperature dependence of inelastic strain recovery in TiNi-based alloys under torsion

Abstract

The paper presents research results on the temperature dependence of inelastic strain recovery due to superelasticity and shape memory effects under torsion in coarse-grained and microcrystalline TiNi specimens containing 50.8 at % of Ni (Ti_49.2Ni_50.8 (at %)). It is found that under certain temperature and deformation conditions, the recovery strain exceeds the theoretical limit of recoverable strains or maximum lattice strain in B2→R→B19′ transformations. Using a special algorithm, the torsional strain is converted to its equivalent (by Mises) tensile strain. The results are compared with data obtained by other researchers.

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/10.1063/1.4932815
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

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.4932815

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Temperature dependence of inelastic strain recovery in TiNi-based alloys under torsion. / Lotkov, Aleksandr; Grishkov, Victor; Zhapova, Dorzhima; Baturin, Anatoly Anatolievich; Timkin, Victor.

Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. Vol. 1683 American Institute of Physics Inc., 2015. 020125.

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

Lotkov, A, Grishkov, V, Zhapova, D, Baturin, AA & Timkin, V 2015, Temperature dependence of inelastic strain recovery in TiNi-based alloys under torsion. in Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. vol. 1683, 020125, 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/10.1063/1.4932815

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abstract = "The paper presents research results on the temperature dependence of inelastic strain recovery due to superelasticity and shape memory effects under torsion in coarse-grained and microcrystalline TiNi specimens containing 50.8 at % of Ni (Ti49.2Ni50.8 (at %)). It is found that under certain temperature and deformation conditions, the recovery strain exceeds the theoretical limit of recoverable strains or maximum lattice strain in B2→R→B19′ transformations. Using a special algorithm, the torsional strain is converted to its equivalent (by Mises) tensile strain. The results are compared with data obtained by other researchers.",

author = "Aleksandr Lotkov and Victor Grishkov and Dorzhima Zhapova and Baturin, {Anatoly Anatolievich} and Victor Timkin",

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AU - Lotkov, Aleksandr

AU - Grishkov, Victor

AU - Zhapova, Dorzhima

AU - Baturin, Anatoly Anatolievich

AU - Timkin, Victor

PY - 2015/10/27

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N2 - The paper presents research results on the temperature dependence of inelastic strain recovery due to superelasticity and shape memory effects under torsion in coarse-grained and microcrystalline TiNi specimens containing 50.8 at % of Ni (Ti49.2Ni50.8 (at %)). It is found that under certain temperature and deformation conditions, the recovery strain exceeds the theoretical limit of recoverable strains or maximum lattice strain in B2→R→B19′ transformations. Using a special algorithm, the torsional strain is converted to its equivalent (by Mises) tensile strain. The results are compared with data obtained by other researchers.

AB - The paper presents research results on the temperature dependence of inelastic strain recovery due to superelasticity and shape memory effects under torsion in coarse-grained and microcrystalline TiNi specimens containing 50.8 at % of Ni (Ti49.2Ni50.8 (at %)). It is found that under certain temperature and deformation conditions, the recovery strain exceeds the theoretical limit of recoverable strains or maximum lattice strain in B2→R→B19′ transformations. Using a special algorithm, the torsional strain is converted to its equivalent (by Mises) tensile strain. The results are compared with data obtained by other researchers.

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