Publication: Material transport from marker tiles in the JET divertor
Дата
2023
Авторы
Journal Title
Journal ISSN
Volume Title
Издатель
Аннотация
For each of the three JET ILW campaigns a few special marker tiles were placed in the divertor. Amongst the W-coated CFC tiles are tiles coated with a в€ј3 Вµm layer of Mo with a в€ј4 Вµm topcoat of W and tiles with just a в€ј4 Вµm layer of Mo to measure erosion and re-deposition. During ILW1 just one Mo marker tile was included in the inner divertor band of Tiles 3. After ILW1 the Mo marker was removed for analysis and inter alia two W-coated Tiles 4 to check for re-deposited Mo. About 7% of the Mo removed from the Tile 3 Mo marker was found on band 4 tiles. A fresh Mo marker Tile 3 was inserted in for ILW2+3 plus a Mo marker Tile 4 for ILW2 (after which it was removed for analysis). Tile 4 removed after ILW3 was measured for Mo re-deposition. The Mo deposition pattern on Tile 4 with a regular W topcoat was quite different to that after ILW1, with much more Mo located towards the corner of the divertor.
Описание
Ключевые слова
Deposition (geology) , irradiation-resistant steels
Цитирование
Material transport from marker tiles in the JET divertor / Likonen, J. [et al.] // Nuclear Materials and Energy. - 2023. - 36. - 10.1016/j.nme.2023.101505