A method of ranking the rate of corrosion of metals in molten fluoride or chloride salts is proposed based on a zero-resistance ammeter (ZRA). The metal of interest for the corrosion study is shorted to a relatively noble metal counter electrode. Stainless steel 316 was tested in FLiNaK (LiF-NaF-KF). Haynes 230, stainless steel 316L, and Hastelloy C-22 were tested in MgCl₂-NaCl-KCl. The ZRA oxidation current from SS-316L was reduced by 89% in FLiNaK after the addition of Li metal, which is known to reduce the redox potential. Post-test examination of metal surfaces and salt samples were also consistent with the relative ZRA current response in fluoride salt. Consistency was also observed between the relative ZRA response for the different metal alloys in the chloride salt and post-test analysis of metal and salt samples.

提出了一种基于零电阻电流表 (ZRA) 对熔融氟化物或氯化物盐中金属的腐蚀速率进行排序的方法。腐蚀研究的目标金属与相对贵金属对电极短路。不锈钢 316 在 FLiNaK (LiF-NaF-KF) 中进行了测试。Haynes 230、不锈钢 316L 和 Hastelloy C-22 在 MgCl _{2 中}进行了测试-NaCl-KCl。加入已知可降低氧化还原电位的锂金属后，来自 SS-316L 的 ZRA 氧化电流在 FLiNaK 中降低了 89%。金属表面和盐样品的测试后检查也与氟化盐中的相对 ZRA 电流响应一致。还观察到氯化物盐中不同金属合金的相对 ZRA 响应与金属和盐样品的测试后分析之间的一致性。