Abstract

Corrosion of structural materials by Pb–17Li liquid alloy may lead to deposit formation under the influence of the temperature gradient and the high magnetic field present in fusion reactors. Such a phenomenon can affect the operation of the liquid metal blanket. For this reason, the crystallization and deposition processes taking place in the liquid alloy under a magnetic field have to be studied. This work deals with the solubility and crystallization of nickel which occur in Pb–17Li under various magneto-thermal treatments. At 300°C, it is shown that the solubility of nickel in Pb–17Li is not affected by the magnetic field. The deposition process remains difficult to explain. However, from a qualitative point of view, differences are observed with regard to the size and distribution of deposited crystals, depending on the experimental conditions.

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