Tribocorrosion of stainless steel sliding against graphite in FLiNaK molten salt

Article Chemistry, Physical

Ab-initio simulation studies of chromium solvation in molten fluoride salts

Nicholas Winner et al.

Summary: Understanding the solvation behavior of Cr in molten salts and its effect on coordination geometry, as well as the medium-range structure changes, is crucial for assessing the corrosivity of molten fluorides. The presence of Cr and its solvation within oligomer structures in different fluoride melts suggests that fluoroacidity alone may not be a sufficient metric for evaluating corrosion. The solvent-dependent manner in which Cr alters the medium-range structure highlights the importance of considering the short- and medium-range structure of the solvent in understanding its solvation behavior.

JOURNAL OF MOLECULAR LIQUIDS (2021)

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Article Chemistry, Multidisciplinary

Effects of Particle Size and Concentration of Magnesium Oxide on the Lubricating Performance of a Chloride Molten Salt for Concentrating Solar Power

Xin He et al.

Summary: This study investigated the tribological behavior of a molten chloride salt mixture containing MgO particles of various sizes and concentrations. Results showed an increased friction coefficient and wear loss with larger particle size and/or higher concentration of MgO, providing fundamental insights for molten salt lubrication in CSP.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Article Energy & Fuels

Tribological behavior of ceramic-alloy bearing contacts in molten salt lubrication for concentrating solar power

Xin He et al.

Summary: This study evaluated the tribological performance of six different bearing materials in a molten salt mixture at high temperature and identified the wear mechanism as a combination of abrasion, adhesion, and tribocorrosion. The results provide fundamental insight for the development and selection of bearing materials for molten salt powered CSP pumps.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2021)

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Article Nuclear Science & Technology