通过热力学、动力学和仪器分析探究无定形和结晶铜锌合金的湿氧化过程

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Science Pub Date : 2024-11-13 DOI:10.1016/j.corsci.2024.112565

Shuo Ma, Panmei Liu, Yongchang Liu, Zumin Wang

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引用次数: 0

摘要

我们全面研究了水蒸气对无定形和结晶 Cu-Zr 合金氧化行为的影响。与干氧化相比，水蒸气通过降低内部离子扩散并导致形成稳定的结晶氧化层来延缓非晶态 Cu-Zr 合金的氧化。与此相反，水蒸气通过提高铜的活性和向外扩散，促进 Zr 和铜的意外同步氧化，从而使结晶 Cu-Zr 合金的氧化速度加快 10 倍。这项研究将改变人们的视角，从只关注水的有害影响转向考虑水对表面氧化的抑制作用。

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Wet oxidation of amorphous and crystalline Cu–Zr alloys probed by thermodynamic, kinetic, and instrumental analyses

The effect of water vapor on oxidation behaviors of amorphous and crystalline Cu-Zr alloys has been comprehensively investigated. Compared with dry oxidation, water vapor retards the oxidation of amorphous Cu-Zr alloy by lowering internal ionic diffusion and leading to the formation of stable crystalline oxide layers. In contrast, water vapor accelerates the oxidation of crystalline Cu-Zr alloy 10 times by enhancing the activity and outward diffusion of Cu and promoting an unexpected synchronous oxidation of Zr and Cu. This study would change the perspective from focusing exclusively on the detrimental effect of water to considering its suppression on surface oxidation.

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来源期刊

Corrosion Science 工程技术-材料科学：综合

CiteScore

13.60

自引率

18.10%

发文量

763

审稿时长

46 days

期刊介绍： Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.