Corrosion resistance of metals and alloys toward liquid metals determines the service performances and lifetime of the devices using liquid metals. This paper studies the static corrosion behaviors of iron, chromium, nickel, low carbon steel, and four types of stainless steels (SS410, SS430, SS304, and SS316L) in liquid Sb-Sn at 500°C, aiming to screen corrosion-resistant stainless steel for Li||Sb-Sn liquid metal batteries (LMBs). The corrosion rates of Fe and Ni are 0.94 μm/h and 6.03 μm/h after 160 h measurement, respectively. Cr shows a low corrosion rate of < 0.05 μm/h, which is due to the formation of a relatively stable Cr-Sb layer that may be able to prevent the interdiffusion between the solid substrate and liquid Sb-Sn. Ni has a high corrosion rate because the formed Ni-Sb and Ni-Sn compounds are soluble in the liquid Sb-Sn. The corrosion products of both pure metals and SS can be predicted by thermodynamic and phase diagram analysis. Among the four types of stainless steel, SS430 shows the best corrosion resistance toward liquid Sb-Sn with a corrosion rate of 0.19 μm/h. Therefore, a liquid Sb-Sn resistant material should have a high Cr content and a low Ni content, and this principle is applicable to design metallic materials not only for LMBs but also for other devices using liquid Sb- and Sn-containing liquid metals.
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1 November 2021
Research Article|
August 21 2021
Corrosion Behaviors of Iron, Chromium, Nickel, Low-Carbon Steel, and Four Types of Stainless Steels in Liquid Antimony-Tin Alloy
Wei Liu;
Wei Liu
*School of Resource and Environmental Science, Wuhan University, Wuhan 430072, People’s Republic of China.
**International Cooperation Base for Sustainable Utilization of Resources and Energy in Hubei Province, Wuhan University, Wuhan 430072, People’s Republic of China.
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Huayi Yin;
Huayi Yin
*School of Resource and Environmental Science, Wuhan University, Wuhan 430072, People’s Republic of China.
**International Cooperation Base for Sustainable Utilization of Resources and Energy in Hubei Province, Wuhan University, Wuhan 430072, People’s Republic of China.
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Kaifa Du;
Kaifa Du
*School of Resource and Environmental Science, Wuhan University, Wuhan 430072, People’s Republic of China.
**International Cooperation Base for Sustainable Utilization of Resources and Energy in Hubei Province, Wuhan University, Wuhan 430072, People’s Republic of China.
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Bing Yang;
Bing Yang
***School of Power & Mechanical Engineering, Wuhan University, Wuhan 430072, People’s Republic of China.
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Dihua Wang
Dihua Wang
‡
*School of Resource and Environmental Science, Wuhan University, Wuhan 430072, People’s Republic of China.
**International Cooperation Base for Sustainable Utilization of Resources and Energy in Hubei Province, Wuhan University, Wuhan 430072, People’s Republic of China.
‡Corresponding author. E-mail: [email protected].
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CORROSION (2021) 77 (11): 1192–1202.
Citation
Wei Liu, Huayi Yin, Kaifa Du, Bing Yang, Dihua Wang; Corrosion Behaviors of Iron, Chromium, Nickel, Low-Carbon Steel, and Four Types of Stainless Steels in Liquid Antimony-Tin Alloy. CORROSION 1 November 2021; 77 (11): 1192–1202. doi: https://doi.org/10.5006/3820
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