Corrosion of irradiated NbMoVCr coatings in lead-bismuth eutectic
Source abstract
Abstract
NbMoVCr multi-principal element alloy (MPEA) coatings were irradiated by 6 MeV Au-ions at room-temperature and 550 ℃ to the peak irradiation doses of 20 dpa and 80 dpa. Then the effect of irradiation on corrosion of coatings in liquid lead-bismuth eutectic (LBE) was investigated. By comparing the microstructure of the surface oxide film and grain boundary corrosion region in the irradiated and unirradiated coatings, it is revealed that Au-ions irradiation promotes both the overall corrosion and intergranular corrosion of NbMoVCr coatings, which is attributed to the irradiation-induced defects as well as the desegregation of V elements at grain boundaries.
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Research context
OpenAlex topics: Nuclear Materials and Properties · Fusion materials and technologies · Thermodynamic and Structural Properties of Metals and Alloys
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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