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Amorphization and structural modification of the oxide film of Ni-based alloy by in-situ H charging in high temperature high pressure water environment
Corrosion Science ( IF 7.4 ) Pub Date : 2020-04-01 , DOI: 10.1016/j.corsci.2020.108474
Zihao Wang , Yoichi Takeda

Abstract It is often assumed only limited amount of amorphous phase could generate in the oxide film of Ni-based alloy with H-participation. However, in this study, the formation of a remarkable amorphous layer on top of the oxide film of Ni-based Alloy 600 (Ni-15.5Cr-9.4Fe, wt.%) after oxidizing in high-temperature high-pressure water environment by in-situ H-charging condition is observed. A synergy of the film porosity and P H 2 O / P H 2 is proposed as a plausible mechanism. Cavity layer appeared at the oxide and matrix interface, and the H-distribution are also discussed.

中文翻译:

高温高压水环境下原位充氢对镍基合金氧化膜的非晶化及结构改性

摘要 人们通常假设只有有限数量的非晶相可以在镍基合金的氧化膜中产生,而有 H 参与。然而,在本研究中,Ni基合金 600 (Ni-15.5Cr-9.4Fe, wt.%) 在高温高压水环境中氧化后,在氧化膜顶部形成了显着的非晶层。观察到原位充氢条件。薄膜孔隙率和 PH 2 O / PH 2 的协同作用被认为是一种合理的机制。空穴层出现在氧化物和基体界面,还讨论了 H 分布。
更新日期:2020-04-01
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