The Nonferrous Metals Society of China

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2022 , Vol. 32 >Issue 12: 3998 - 4013

DOI: https://doi.org/10.1016/S1003-6326(22)66073-4

Materials Science and Engineering

Corrosion evolution of high-temperature formed oxide film on pure Sn solder substrate

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  • Hui ZHAO1, Xu SUN1,2, Long HAO2,3, Jian-qiu WANG2,3, Jing-mei YANG4
1. School of Materials Science and Engineering, Shenyang Ligong University, Shenyang 110159, China;
2. CAS Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;
3. School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China;
4. Shenyang Aircraft Industry (Group) Corporation Ltd., Shenyang 110034, China

Online published: 2022-12-25

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Abstract

The evolution of morphology, composition, thickness and corrosion resistance of the oxide film on pure Sn solder substrate submitted to high-temperature aging in 150 °C dry atmosphere was investigated. The results indicate that high-temperature aging accelerates the dehydration of Sn(OH)4 in the pre-existing native oxide film to form SnO2 and facilitates the oxidation of fresh Sn substrate, resulting in the gradual increase in oxide film thickness and surface roughness with prolonging aging time. However, the corrosion resistance of the film initially is enhanced and then deteriorated with an extending aging time. Besides, the formation and evolution mechanisms of the oxide film with aging time were discussed.

Cite this article

HuiZHAO,XuSUN,LongHAO,Jian-qiuWANG,Jing-meiYANG . Corrosion evolution of high-temperature formed oxide film on pure Sn solder substrate[J]. Transactions of Nonferrous Metals Society of China, 2022 , 32(12) : 3998 -4013 . DOI: 10.1016/S1003-6326(22)66073-4

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