Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 56 / Number 2 / Pages 841-845
Masaru Nagura, Akihiro Suzuki, Takeo Muroga, Takayuki Terai
Fusion Science and Technology / Volume 56 / Number 2 / Pages 841-845
Format:electronic copy (download)
Er2O3 is one promising material for use as an insulating coating in a liquid lithium blanket system. In this study, corrosion of bulk Er2O3 in Li with high or low O concentrations was investigated at 600°C. The tests revealed that the corrosion reaction is accelerated under high O condition and suppressed in low O concentration. From these results we assumed the corrosion reaction and tested with more precise condition. The Er2O3 bulk specimen corroded significantly in Li with more than 300 ppm O. Control of O concentration is essential for a Li blanket system with an Er2O3 coating.
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