Thermochemically synthesized α‐Al2O3 composite coating with high bonding strength and deuterium permeation resistance
Heping Li,
Zhongyang Zheng,
Shiquan Liu
et al.
Abstract:Hydrogen isotope permeation in structural steels can cause severe issues, including steel brittleness, fuel loss, and radioactive pollution in fusion reactors. To tackle this issue, we report a simple synthesis of α‐Al2O3/AlPO4 composite coating by the thermochemical reaction method to serve as an effective barrier hampering hydrogen isotope permeation. This coating was formed at 500°C and composed of α‐Al2O3 and AlPO4 phases. A relatively uniform and compact structure with thickness of ∼35 μm made its corrosi… Show more
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