SURFACE MODIFICATIONS IN TOKAMAK LIMITER MATERIALS

被引：0
|
作者：
MATHUR, MS
MCKEE, JSC
机构：
[1] Department of Physics, University of Manitoba, Winnipeg
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1993年 / 79卷 / 1-4期
关键词：
D O I：
10.1016/0168-583X(93)95443-9
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
High melting point, low atomic number and resistance to thermal fatigue and erosion are the desirable attributes of materials for fusion containment vessels, limiters and other components. However, such materials are subjected to hydrogen ion bombardment from a circulating plasma. This interaction results in the formation and adsorption of various molecular complexes on material surfaces. Their release as an impurity can poison the plasma and lower its temperature, as well as cause surface damage. We have undertaken the characterization of some such surfaces.
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页码：687 / 690
页数：4
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