Initiation of the Shape Memory Effect by Fast Neutron Irradiation

被引：1

作者：

Bobrovskii, V. I. ^{[1
]}

Afanasyev, S. V. ^{[1
]}

Voronin, V. I. ^{[1
]}

Kazantsev, V. A. ^{[1
]}

Kataeva, N. V. ^{[1
]}

Parkhomenko, V. D. ^{[1
]}

Proskurnina, N. V. ^{[1
]}

Sagaradze, V. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Mikheev Inst Met Phys, Ural Branch, Ekaterinburg 620108, Russia

来源：

PHYSICS OF METALS AND METALLOGRAPHY | 2024年 / 125卷 / 02期

关键词：

shape memory effect; austenite; martensite; texture; inelastic deformation; neutron irradiation; MARTENSITIC TRANSFORMATIONS;

D O I：

10.1134/S0031918X23602664

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

A sample made from a ribbon of austenitic-martensitic steel 0.3C-13Cr-10Mn-3Si-1V, pre-deformed in the shape of a circular arc with a deflection of 3 mm, was subjected to fast neutron irradiation with a fluence of 6 x 1019 cm-2 in the vertical wet channel of the IVV-2M reactor at a temperature of 80 degrees C. This material belongs to the class of stainless manganese austenitic steels with the shape memory effect (SME). Initially, it was expected that irradiation would reduce the SME magnitude after subsequent heating of the studied sample in comparison with the reference one. But instead, the manifestation of SME was revealed already after irradiation, with a decrease in the deflection by approximately 21%. Control experiments confirmed that the lower temperature limit for the manifestation of the SME in this material lies at 120 degrees C and is absent at 80 degrees C. This allows us to conclude that the effect observed is the result of neutron irradiation.

引用

页码：211 / 216

页数：6

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