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21st IEEE/NPS Symposium on Fusion Engineering SOFE 05
Graphite sublimation tests have been conducted in a high-temperature oven, which is operated either in high vacuum or in a 1-atm cover gas of helium (or argon). Preliminary data of the sublimation rate of graphite foils at ~2400 K in vacuum are consistent with theoretical prediction. Additional tests of graphite rods (15 mm in diameter and 300 mm long) have been conducted in high vacuum and in cover gases of helium as well as argon. The sublimation rate at 2350 K is 1.7 mg/h for static argondoi:10.1109/fusion.2005.252931 fatcat:pt64kqfzibftnamdcmspxf5zze