SMRTR Science & EngineeringJul 14, 2026Interesting Engineering

US scientists spot reason behind ‘corrosion highways’ in advanced nuclear reactors

SMRTR summary

Penn State scientists discovered why molten salt nuclear reactors develop "corrosion highways" in their metal walls. Long-range atomic ordering in nichrome alloys creates pathways that speed up corrosion, unlike short-range random structures. This insight could help engineers design safer, more durable reactor vessels for next-generation nuclear energy.

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