Effect of neutron irradiation on the microstructure and the mechanical and corrosion properties of the ultrafine-grained stainless Cr–Ni steel

О. П. Максимкин, M. N. Gusev, Kira V. Tsay, A. V. Yarovchuk, Olga Vladislavovna Rybalchenko, Nariman A. Enikeev, Ruslan Zufarovich Valiev, Sergey Vladimirovich Dobatkin

2015

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DOI 10.1134/s0031918x15120030

Data confidence 70 medium

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Abstract

It has been revealed that the neutron irradiation of ultrafine-grained (UFG) 08Kh18N10T steel after severe plastic deformation (SPD) does not lead to the appearance of defects of radiation origin up to a fluence of 2 × 10 20 n/cm 2 (~0.05 dpa) and that the strength properties of the material are retained after irradiation. At the same time, this irradiation reduces the corrosion resistance of the steel in a chlorine-containing medium, especially after heating at 550°C with a holding for 1 h after SPD.