INITIAL BORONIZATION OF JT-60U TOKAMAK USING DECABORANE

被引:58
作者
SAIDOH, M
OGIWARA, N
SHIMADA, M
ARAI, T
HIRATSUKA, H
KOIKE, T
SHIMIZU, M
NINOMIYA, H
NAKAMURA, H
JIMBOU, R
YAGYU, J
SUGIE, T
SAKASAI, A
ASAKURA, N
YAMAGE, M
SUGAI, H
JACKSON, GL
机构
[1] NAGOYA UNIV,CHIKUSA KU,NAGOYA,AICHI 46401,JAPAN
[2] GEN ATOM,SAN DIEGO,CA 92186
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 07期
关键词
BORONIZATION; DECABORANE; DECABORANE-BASED BORONIZATION; WALL CONDITIONING; DISCHARGE CLEANING; OXYGEN GETTERING; JT-60U TOKAMAK; IMPURITY REDUCTION; PLASMA-FACING MATERIAL; DEPTH PROFILE; DEPOSITED BORON; HYDROGEN CONCENTRATION;
D O I
10.1143/JJAP.32.3276
中图分类号
O59 [应用物理学];
学科分类号
摘要
A decaborane-based boronization system has been installed in the JT-60U tokamak in order to reduce the influx of impurities during plasma discharges. Boronization has been performed under a glow discharge using a helium-decaborane gas mixture. The properties of the boron films deposited through boronization and the effects of boronization on the tokamak discharges were investigated. It was found that the deposition of a boron layer with high purity was achieved with few impurities other than hydrogen through boronization, and that the present boronization deposited toroidally nonuniform boron film. It was also found that the decaborane-based boronization resulted in good plasma performance similar to that of conventional boronization.
引用
收藏
页码:3276 / 3281
页数:6
相关论文
共 20 条
[1]   EXPERIENCE WITH HIGH HEAT-FLUX COMPONENTS IN LARGE TOKAMAKS [J].
DIETZ, KJ ;
CHAPPUIS, P ;
HORIIKE, H ;
JACKSON, GL ;
ULRICKSON, M .
FUSION ENGINEERING AND DESIGN, 1991, 16 :229-251
[2]   EFFECTS OF BORONIZATION OF THE 1ST WALL IN TFTR [J].
DYLLA, HF ;
BELL, MG ;
HAWRYLUK, RJ ;
HILL, KW ;
KILPATRICK, SJ ;
LAMARCHE, PH ;
LEONARD, M ;
MANOS, DM ;
MUELLER, D ;
OWENS, DK ;
PITCHER, CS ;
RAMSEY, AT ;
SCHMIDT, GL ;
SCOTT, SD ;
ULRICKSON, M ;
ZARNSTORFF, MC .
JOURNAL OF NUCLEAR MATERIALS, 1990, 176 :337-342
[3]   BORONIZATION IN TORE SUPRA [J].
GAUTHIER, E ;
GRISOLIA, C ;
GROSMAN, A ;
HESS, W ;
HUTTER, T ;
DEMICHELIS, C ;
MONIERGARBET, P ;
POUTCHY, L ;
ROTH, J .
JOURNAL OF NUCLEAR MATERIALS, 1992, 196 :637-641
[4]   SOLID TARGET BORONIZATION IN THE TOKAMAK DE VARENNES - A TECHNIQUE FOR REAL-TIME BORONIZATION [J].
HIROOKA, Y ;
BOUCHER, C ;
CONN, RW ;
COUTURE, P ;
GREGORY, BC ;
KHANDAGLE, M ;
KNYSTAUTAS, E ;
MATSUDA, T ;
PAYNTER, RW ;
ROSS, GG ;
SOGABE, T ;
STANSFIELD, BL ;
ZUZAK, W .
NUCLEAR FUSION, 1992, 32 (11) :2029-2035
[5]   COLD BORONIZATION IN TCA [J].
HOLLENSTEIN, C ;
DUVAL, BP ;
DEWIT, TD ;
JOYE, B ;
KUNZLI, HJ ;
OELHAFEN, P ;
ZEHRINGER, R ;
HAUERT, R ;
MOSER, EM .
JOURNAL OF NUCLEAR MATERIALS, 1990, 176 :343-349
[6]   DESIGN AND DEVELOPMENT OF JT-60 UPGRADE - VACUUM VESSEL AND 1ST WALL [J].
HORIIKE, H ;
ANDO, T ;
KUSHIMA, T ;
MATSUKAWA, M ;
NEYATANI, Y ;
NINOMIYA, H ;
YAMAMOTO, M .
FUSION ENGINEERING AND DESIGN, 1991, 16 :285-292
[7]   PARTICLE CONTROL IN DIII-D WITH HELIUM GLOW-DISCHARGE CONDITIONING [J].
JACKSON, GL ;
TAYLOR, TS ;
TAYLOR, PL .
NUCLEAR FUSION, 1990, 30 (11) :2305-2317
[8]   NEW PRECISION TECHNIQUE FOR MEASURING CONCENTRATION VERSUS DEPTH OF HYDROGEN IN SOLIDS [J].
LANFORD, WA ;
TRAUTVETTER, HP ;
ZIEGLER, JF ;
KELLER, J .
APPLIED PHYSICS LETTERS, 1976, 28 (09) :566-568
[9]  
OGIWWARA N, 1993, IN PRESS J NUCL MATE
[10]   INITIAL BORONIZATION OF THE DIII-D TOKAMAK [J].
PHILLIPS, J ;
HODAPP, T ;
HOLTROP, K ;
JACKSON, GL ;
MOYER, R ;
WATKINS, J ;
WINTER, J .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 1992, 10 (04) :1252-1255