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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