The porous vanadium as a plasma facing material for the fusion devices

被引：2
作者：
Zhmendak, AV
Huber, A
Kvitcinskiy, VA
Mudretskaya, EV
Nedospasov, AV
Panechkina, VV
Pavlov, SN
Pospieszczyk, A
Sergienko, GV
Virko, VF
机构：
[1] Sci Prod Assoc ELEI 2, UA-252024 Kiev, Ukraine
[2] EURATOM Assoc, Forschungszentrum Julich GmbH, Inst Plasma Phys, D-52425 Julich, Germany
[3] IVTAN Assoc, Russian Acad Sci, Inst High Temp, Moscow 127412, Russia
[4] Inst Nucl Res, Kiev, Ukraine
[5] Inst Problems Mat Sci, Kiev, Ukraine
来源：
JOURNAL OF NUCLEAR MATERIALS | 2001年 / 290卷
关键词：
plasma-material interaction; vanadium; lithium; erosion; limiter; TEXTOR;
D O I：
10.1016/S0022-3115(00)00605-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The purpose of this work is to investigate a possibility to use porous vanadium as components for the first wall of a tokamak-reactor which can accept the halo-currents generated during a disruption in a tokamak, Samples of pure porous vanadium were tested in pulse high current discharges in lithium plasmas, A total electric charge up to 1000 C flowed through the sample in the series of the discharges, The measured erosion was about of 3 x 10(-5) g/C when the sample was used as a cathode. Samples of pure porous vanadium were also tested in TEXTOR-94. This was inserted into a carbon test limiter. The test limiter was placed in the scrape-of-layer of the main toroidal ALT-II limiter. Vanadium, deuterium and carbon were measured spectroscopically. The estimated relative flux of the vanadium atoms to deuterium atoms drops from 3.8% to 0.4% with line average electron density increase from 2.5 x 10(19) to 6 x 10(19) m(-3). (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：220 / 223
页数：4
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