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Open AccessArticle

Hydride Rim Formation in E110 Zirconium Alloy during Gas-Phase Hydrogenation

National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
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Metals 2020, 10(2), 247; https://doi.org/10.3390/met10020247
Received: 31 December 2019 / Revised: 6 February 2020 / Accepted: 10 February 2020 / Published: 12 February 2020
The work is devoted to the study of the laws of the formation of a hydride rim in E110 zirconium alloy claddings during gas-phase hydrogenation. The problem of hydrogen penetration and accumulation and the subsequent formation of hydrides in the volume of zirconium cladding tubes of water-cooled power reactors remain relevant. The formation of brittle hydrides in a zirconium matrix firstly, leads to a significant change in the mechanical properties, and secondly, can cause the destruction of the claddings by the mechanism of delayed hydride cracking. The degree of the hydride’s effect on the mechanical properties of zirconium cladding is mainly determined by the features of the hydride’s distribution and orientation. The problem of hydride rim formation in zirconium alloys with niobium is quite new and poorly studied. Therefore, the study of hydride rim formation in Russian zirconium alloy is important and necessary for predicting the behavior of claddings during the formation of the hydride rim.
Keywords: hydride rim; E110 zirconium alloy; cladding; gas-phase hydrogenation hydride rim; E110 zirconium alloy; cladding; gas-phase hydrogenation
MDPI and ACS Style

Kudiiarov, V.; Sakvin, I.; Syrtanov, M.; Slesarenko, I.; Lider, A. Hydride Rim Formation in E110 Zirconium Alloy during Gas-Phase Hydrogenation. Metals 2020, 10, 247.

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