标题: Corrosion Behaviors of Iron, Chromium, Nickel, Low-Carbon Steel, and Four Types of Stainless Steels in Liquid Antimony-Tin Alloy

作者: Liu, W (Liu, Wei); Yin, HY (Yin, Huayi); Du, KF (Du, Kaifa); Yang, B (Yang, Bing); Wang, DH (Wang, Dihua)

来源出版物: CORROSION 卷: 77 期: 11 页: 1192-1202 DOI: 10.5006/3820 出版年: NOV 2021

摘要: 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 degrees 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 mu m/h and 6.03 mu m/h after 160 h measurement, respectively. Cr shows a low corrosion rate of < 0.05 mu m/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 mu m/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.

作者关键词: corrosion; liquid metal batteries; liquid Sb-Sn; positive electrode; stainless steel

地址: [Liu, Wei; Yin, Huayi; Du, Kaifa; Wang, Dihua] Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430072, Peoples R China.

[Liu, Wei; Yin, Huayi; Du, Kaifa; Wang, Dihua] Wuhan Univ, Int Cooperat Base Sustainable Utilizat Resources, Wuhan 430072, Peoples R China.

[Yang, Bing] Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Peoples R China.

通讯作者地址: Wang, DH (通讯作者)，Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430072, Peoples R China.

Wang, DH (通讯作者)，Wuhan Univ, Int Cooperat Base Sustainable Utilizat Resources, Wuhan 430072, Peoples R China.

影响因子：2.094