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Materials Science and Engineering
Chemical structure; Electronic structure; Metal-base fuel; Metal coating; Nuclear chemistry; Nuclear fuels; Palladium; Silicon carbide; X-ray spectroscopy
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Interaction Between Metal Fission Products And Triso Coating Materials, Clemens Heske
Interaction Between Metal Fission Products And Triso Coating Materials, Clemens Heske
Fuels Campaign (TRP)
The goal of this project is to elucidate the chemical bonding and interface formation of metal fission products with the coating materials used in state-of-the-art TRISO fuel particles. Particular emphasis is placed on an analysis of intermediate chemical phases at the interface, the intermixing/diffusion behavior, and the electronic interface structure as a function of material choice (metal and coating materials), temperature, and external stress. Furthermore, the chemical state of some of the metal fission products will be assessed.
This project studies the interface formation of Pd, Ag, and Cs with SiC and pyrolytic carbon. Using the TRISO coating materials (and …