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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Late News Poster Session
Presentation Title Creep Degradation of Structural Alloys in Molten Halide Salt Environments Relevant to MSRs
Author(s) Debashish Sur, Rishi Pillai
On-Site Speaker (Planned) Debashish Sur
Abstract Scope Successful development and commercialization of molten-salt reactors will require structural alloys that retain mechanical integrity while resisting aggressive molten-chloride corrosion. However, reliable high-temperature corrosion and mechanical performance data remain limited. This study examines the coupled effects of creep deformation under operating stresses and corrosion on candidate Ni- and Fe-based alloys exposed to molten chloride salts at 600–800 ◦C. Ongoing studies have demonstrated that molten salts significantly reduce creep-rupture resistance of austenitic steels and Ni-base alloys. To complement these performance measurements, a lifetime-prediction framework incorporating physics-based models to describe the corrosion-induced material degradation was applied to assess the environmental impacts of creep behavior in chloride- and relevant fluoride salt systems.
Proceedings Inclusion? Undecided

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