Martensitic Transformation and Shape Memory Effect in TiNi-based Alloys During Neutron Irradiation

Sergey Belyaev, Valery Chekanov, Gennady Kolobanov, Raisa Konopleva, Andrey Nakin, Igor Nazarkin, Alexander Razov, Natalia Resnina, Alexander Volkov

Research output


The chapter is devoted to a study of the influence of neutron irradiation on the martensitic transformations and shape memory effects in TiNi-based shape memory alloys. Irradiation of the samples was carried out in the low-temperature helium loop of a WWR-M fusion reactor at Petersburg Nuclear Physics Institute in Gatchina (Russia). The experimental data showed that the variation in transformation temperatures depended on the irradiation temperature. The main factors influencing the variation in transformation temperatures during irradiation were disordering of the solid solution at low temperatures, radiation ordering at high temperatures, and thermally activated annealing of radiation damage. All of these mechanisms were taken into account in the differential equation given in the present work for description of the transformation temperature variation during irradiation at different temperatures. It was found that irradiation up to a fluence of 71018 cm-2 did not suppress the transformation plasticity and
Original languageEnglish
Title of host publicationShape memory alloys: Properties, Technologies, Opportunities
PublisherTrans Tech Publications Ltd
Pages640 стр., 429-456
ISBN (Print)978-3-03835-357-7
Publication statusPublished - 2015

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