A kind of anti-tritium coating and preparation method thereof

Abstract

The invention discloses a tritium-blocking plating and a preparation method of the tritium-blocking plating, aiming to solve the problems that tritium penetration reduction factors (PRF) of tritium-blocking platings researched at present are all far less than a theoretical value and the tritium-blocking effect is poor. The tritium-blocking plating comprises a base body, and a multilayer film arranged on the base body, wherein the multilayer film is formed by alternatively depositing Er2O3 platings and SiC platings. According to the tritium-blocking plating, two kinds of platings of Er2O3 and SiC are compounded to form a tritium-blocking plating with a multilayer structure; and hydrogen capturing bonds such as C<->, O<-> and Si<-> are simultaneously introduced by the tritium-blocking plating, thus the tritium-blocking performance of the base body can be effectively improved; meanwhile, an interface is formed between each Er2O3 plating and each SiC plating, thus the probability of perfoliate holes and defects of the tritium-blocking plating is reduced, the compactness of the integral tritium-blocking plating is improved, and the number of tritium penetration channels is reduced; and the interfaces formed between the Er2O3 platings and the SiC platings are capable of effectively improving the tritium-blocking performance of the plating. The tritium-blocking plating provides a new approach for reducing and even blocking tritium penetration for the field of nuclear energy.

Description

technical field [0001] The invention relates to the field of nuclear energy and material engineering, in particular to a tritium blocking coating and a preparation method thereof. Background technique [0002] With the further deepening of the threat of the world energy crisis and the inherent defects of the existing energy system, people are paying more and more attention to the green energy system, and nuclear energy (especially fusion reactors and hybrid reactors fueled by deuterium and tritium) is expected to become an alternative Green energy system for conventional energy. Tritium is radioactive, and tritium penetration will cause great harm to operators, cause radioactive contamination of the environment or devices, and lead to hydrogen embrittlement of structural materials, which also limits the application of nuclear energy using tritium as a raw material to a certain extent. [0003] The anti-tritium coating is to prepare an anti-tritium permeation layer with a lo...

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to: provide a kind of anti-tritium coating and preparation method thereof for the problem that the tritium penetration reduction factor (PRF) of the currently researched anti-tritium coating is far less than the theoretical value, and the anti-tritium effect is poor

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