Influence of neutron irradiation on the martensitic transformations and shape-memory effect in a TiNi alloy

R. F. Konopleva, I. V. Nazarkin, V. L. Soloveǐ, V. A. Chekanov, S. P. Belyaev, A. E. Volkov, A. I. Razov

Research outputpeer-review

13 Citations (Scopus)

Abstract

The paper reports measurements of the strains and electrical resistance of a TiNi shape-memory alloy under irradiation in the low-temperature helium circuit of a nuclear reactor. Irradiation of the alloy in martensitic state at 170 K revealed that the transition temperatures from cubic to rhombohedral and from rhombohedral to monoclinic phase decrease exponentially with increasing dose. No change in the shape-memory effects and transformation plasticity was observed up to a dose of 6.7×1022n/m2. Keeping the sample at 340 K without irradiation restores (increases) partially the transition temperatures. The relations observed can be assigned to a change in the degree of long-range order in the lattice caused by neutron irradiation.

Original languageEnglish
Pages (from-to)1550-1554
Number of pages5
JournalPhysics of the Solid State
Volume40
Issue number9
DOIs
Publication statusPublished - 1 Jan 1998

Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

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abstract = "The paper reports measurements of the strains and electrical resistance of a TiNi shape-memory alloy under irradiation in the low-temperature helium circuit of a nuclear reactor. Irradiation of the alloy in martensitic state at 170 K revealed that the transition temperatures from cubic to rhombohedral and from rhombohedral to monoclinic phase decrease exponentially with increasing dose. No change in the shape-memory effects and transformation plasticity was observed up to a dose of 6.7×1022n/m2. Keeping the sample at 340 K without irradiation restores (increases) partially the transition temperatures. The relations observed can be assigned to a change in the degree of long-range order in the lattice caused by neutron irradiation.",
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Influence of neutron irradiation on the martensitic transformations and shape-memory effect in a TiNi alloy. / Konopleva, R. F.; Nazarkin, I. V.; Soloveǐ, V. L.; Chekanov, V. A.; Belyaev, S. P.; Volkov, A. E.; Razov, A. I.

In: Physics of the Solid State, Vol. 40, No. 9, 01.01.1998, p. 1550-1554.

Research outputpeer-review

TY - JOUR

T1 - Influence of neutron irradiation on the martensitic transformations and shape-memory effect in a TiNi alloy

AU - Konopleva, R. F.

AU - Nazarkin, I. V.

AU - Soloveǐ, V. L.

AU - Chekanov, V. A.

AU - Belyaev, S. P.

AU - Volkov, A. E.

AU - Razov, A. I.

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AB - The paper reports measurements of the strains and electrical resistance of a TiNi shape-memory alloy under irradiation in the low-temperature helium circuit of a nuclear reactor. Irradiation of the alloy in martensitic state at 170 K revealed that the transition temperatures from cubic to rhombohedral and from rhombohedral to monoclinic phase decrease exponentially with increasing dose. No change in the shape-memory effects and transformation plasticity was observed up to a dose of 6.7×1022n/m2. Keeping the sample at 340 K without irradiation restores (increases) partially the transition temperatures. The relations observed can be assigned to a change in the degree of long-range order in the lattice caused by neutron irradiation.

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