Insulated protective coating for mitigation of stress corrosion cracking of metal components in high-temperature water
作者： Peter Louis Andresen , Young Jin Kim
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摘要: A method for mitigating crack initiation and prop-agation on the surface of metal components in a water-cooled nuclear reactor. An electrically insulating coating is applied surfaces IGSCC-susceptible reactor components. The preferred insu-lating material yttria-stabilized zirconia. presence an shifts corrosion potential negative direction without addition hydrogen absence noble catalyst.Corrosion potentials ?-0.5 Vshe can be achieved even at high oxidant concentrations hydrogen.
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