SURFACE BEHAVIOR OF FIRST-WALL MATERIALS DUE TO THE SYNERGISTIC EFFECT OF HELIUM AND HYDROGEN ISOTOPES

被引：7
|
作者：
ABRAMOV, E [1 ]
MORENO, D [1 ]
SOLOVIOFF, G [1 ]
ELIEZER, D [1 ]
机构：
[1] NUCL RES CTR NEGEV, IL-84190 BEER SHEVA, ISRAEL
来源：
JOURNAL OF NUCLEAR MATERIALS | 1994年 / 212卷
关键词：
D O I：
10.1016/0022-3115(94)91056-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Scanning electron microscopy has been used to investigate changes in surface morphology due to helium implantation and hydrogen charging. Pure polycrystalline nickel, OFHC copper and Cu-1.8Be-0.2Co (CAD 172) alloy have been studied. The influence of helium implantation parameters on blister formation and growth was investigated. Hydrogen charging (cathodic or thermal-gas) was found to lower the helium content needed for blistering and surface exfoliation. The effect of heating, carried out after hydrogen charging, was also studied. For the copper samples, hydrogen damage was produced by oxide reduction at the oxide-metal interface. This damage was found to be lower when the sputtering due to helium implantation increased. The CuBe alloy showed a greater hydrogen resistance due to the stability of the surface BeO.
引用
收藏
页码：1390 / 1395
页数：6
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