SAC305 合金的钝化行为对表面氧化膜结构和缺陷的影响

IF 6.3 2区材料科学 Q2 CHEMISTRY, PHYSICAL Applied Surface Science Pub Date : 2024-11-12 DOI:10.1016/j.apsusc.2024.161778

Jialiang Song, Chao Li, Zixue Jiang, Hao Zhang, Xuan Liu, Pan Yi, Chaofang Dong, Junsheng Wu, Kui Xiao

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引用次数: 0

摘要

研究了 SAC305 合金在去离子水中的钝化行为对表面氧化膜结构和缺陷的影响。结果表明，在合金膜形成的钝化过程中，随着表面电位的增加，Sn 被氧化，经历了两次转变：首先转变为 Sn(II)，然后转变为 Sn(IV)。在此过程中，氧化膜中的点缺陷从 Sn(II) 间隙离子和 O 空位演变为 Sn(II) 离子空位，随后又演变为 Sn(II) 和 Sn(IV) 间隙离子和 O 空位。此外，氧化膜并不覆盖 Ag3Sn 相，但合金仍能保持有效的钝化。

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Effect of passivation behavior of SAC305 alloy on the structure and defects of surface oxide film

The effect of the passivation behavior of SAC305 alloy in deionized water on the structure and defects of the surface oxide film was investigated. The results indicate that during the passivation process of the alloy film formation, as the surface potential increases, Sn is oxidized, undergoing two transformations: first to Sn(II) and then to Sn(IV). During this process, the point defects in the oxide film evolve from Sn(II) interstitial ions and O vacancies to Sn(II) ion vacancies, and subsequently to Sn(II) and Sn(IV) interstitial ions and O vacancies. Additionally, the oxide film does not cover the Ag₃Sn phase, yet the alloy is able to maintain an effective passivation.

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来源期刊

Applied Surface Science 工程技术-材料科学：膜

CiteScore

12.50

自引率

7.50%

发文量

3393

审稿时长

67 days

期刊介绍： Applied Surface Science covers topics contributing to a better understanding of surfaces, interfaces, nanostructures and their applications. The journal is concerned with scientific research on the atomic and molecular level of material properties determined with specific surface analytical techniques and/or computational methods, as well as the processing of such structures.