Microstructure investigations of temperature effect on Al-UMo diffusion couples irradiated by swift Xe ions
Source abstract
Abstract
Abstract Post-irradiation examination (PIE) results of microstructure in irradiated Al-UMo diffusion couples are reported. These diffusion couples were irradiated by 60 MeV Xe ions at four different temperatures up to approximately 5.5 × 1017 ions/cm2 peak ion fluence. An Al-UMo interaction layer (IL) was found to form at all four investigated temperatures. The IL is homogeneously amorphous when formed up to 150 °C. At 215 °C, the (U,Mo)Al3 nanocrystalline precipitates form within the amorphous IL matrix. Kirkendall voids with prominent temperature dependence were observed in both the Al layer and its interface with the IL. On the other hand, Xe bubbles were found to form in UMo and Al-UMo IL with different morphology. These microstructure features were quantitatively measured and are reported to provide valuable references for understanding the irradiation behavior of UMo/Al dispersion fuel.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Nuclear Materials and Properties · Fusion materials and technologies · Nuclear materials and radiation effects
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