EXPERIMENTAL INVESTIGATIONS OF HIGH-Z MATERIALS IN THE ASDEX-UPGRADE DIVERTOR

被引：15

作者：

ROTH, J ^{[1
]}

NAUJOKS, D ^{[1
]}

KRIEGER, K ^{[1
]}

FIELD, A ^{[1
]}

LIEDER, G ^{[1
]}

HIRSCH, S ^{[1
]}

机构：

[1] UNIV STUTTGART, INST PLASMAFORSCH, D-70569 STUTTGART, GERMANY

来源：

JOURNAL OF NUCLEAR MATERIALS | 1995年 / 220卷

关键词：

D O I：

10.1016/0022-3115(94)00418-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The erosion, plasma penetration and redeposition of divertor plate material such as C, Si, V, Mo and W have been studied in the ASDEX-Upgrade divertor. Long-term erosion and redeposition have been studied using evaporated markers, while time resolved measurements and plasma penetration were studied spectroscopically on W tiles. The expected reduction of erosion due to plasma ion sputtering could be confirmed. This reduced erosion is accompanied by largely enhanced deposition for high-Z ions, when the gyroradius exceeds the ionisation length.

引用

页码：231 / 234

页数：4

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