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High-temperature interaction of silicon carbide with steam above 1600$$^{circ}$$C

Pham, V. H.   ; 永江 勇二 ; 倉田 正輝 

Pham, V. H.; Nagae, Yuji; Kurata, Masaki

Silicon carbide (SiC) has recently attracted much attention as a potential material for accident tolerant fuel cladding. High-temperature interaction of SiC at temperature range below 1600$$^{circ}$$C has been studied by various authors. As expected for enhanced accident tolerant fuel cladding, high-temperature interaction of SiC must be also investigated at temperatures above 1600$$^{circ}$$C. In this study, we investigate high-temperature interaction of SiC in steam at temperature range of 1700$$sim$$1800$$^{circ}$$C using laser heating furnace. The oxidation kinetics is then studied based on the weight change and observation on cross-sectioned surface of tested sample using field emission scanning electron microscope. Off-gas measurement of hydrogen (H$$_{2}$$) and carbon monoxide (CO) generated during the test was also conducted via sensor gas chromatography.

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