Corrosion of type 304L stainless steel in liquid lithium has been studied in numerous investigations (1-4) in order to obtain a fundamental understanding of the rate controlling mechanistic steps in both the weight loss attack and grain boundary penetration attack in austenitic stainless steels. The complexity of liquid lithium corrosion is related to the influence of many factors, such as thermal and chemical potentials (dissimilar metal) gradients, dissolution rates, variations of elemental solubility as function of temperature, and in particular the role of interstitial contaminates in liquid lithium.

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