一种双温区原位腐蚀和渗透测试装置及测试方法

By using a dual-temperature zone in-situ corrosion and permeation testing device, the corrosive effects of solid-state breeders on structural materials were resolved, providing an accurate assessment of tritium permeation behavior under fusion reactor conditions and supporting tritium self-sufficiency and safety design.

CN122238194BActive Publication Date: 2026-07-17HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES
Filing Date
2026-05-14
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the breeding blanket of fusion reactors, the corrosion of solid breeder on structural materials leads to complex tritium permeation behavior, affecting tritium recovery and assessment, and making it difficult to optimize tritium self-sufficiency and fusion reactor design.

Method used

Design a dual-temperature zone in-situ corrosion and permeation testing device, including an atmosphere supply unit, a corrosion unit, and a permeation detection unit, to simulate the corrosion environment of lithium volatilization and contact with structural materials in a high-temperature zone, and to detect permeation behavior through hydrogen isotope gas.

Benefits of technology

This enables a more accurate assessment of the tritium permeation performance of structural materials under fusion reactor conditions, studies corrosion mechanisms, evaluates the amount of tritium required for self-sufficiency, and supports the safe design and operation of fusion reactors.

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Abstract

本发明涉及材料测试技术领域,尤其涉及一种双温区原位腐蚀和渗透测试装置及测试方法。其包括气氛供给单元、腐蚀单元和渗透检测单元,气氛供给单元与腐蚀单元连通,腐蚀单元的气体出口与渗透检测单元连通;腐蚀单元包括保温腔体,保温腔体包括高温区域和低温区域;其中高温区域为固态增殖剂挥发区域,低温区域为放置待测试材料的原位协同腐蚀和渗透区域;在保温腔体的顶部设置有吹扫气体管,吹扫气体管与气氛供给单元连通,高温区域位于吹扫气体管的吹扫范围内。本发明提供的装置的腐蚀单元采用双温区独立加热模拟固态增殖剂中的高温区锂挥发和固态增殖剂在与包层结构材料接触时的双重腐蚀两部分实验,营造更接近聚变堆增殖包层内高温运行的环境。
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Citation Information

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