Processing issues for high critical current density in BSCCO-2212 composites

被引:16
作者
Marken, KR [1 ]
Miao, HP [1 ]
Sowa, JM [1 ]
Parrell, JA [1 ]
Hong, S [1 ]
机构
[1] Oxford Superconducting Technol, Carteret, NJ 07008 USA
关键词
high temperature superconductors; superconducting materials; superconducting magnets; superconducting coils;
D O I
10.1109/77.919756
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Issues for controlling the critical current density (J(c)) in long tapes and wires include homogeneity of the starting powders, optimization of the ceramic size and shape, uniformity of the deformation or coating processes, and control of the heat treatment parameters. This range of issues is discussed for both multilayer dip-coated and multifilamentary powder-in-tube composites. In particular, J(c) is shown to depend strongly on ceramic size and shape. Continuing efforts to correlate J(c) with processing issues are presented. Progress toward applications in high field coils is described.
引用
收藏
页码:3252 / 3255
页数:4
相关论文
共 14 条
[1]  
Dai W, 1998, ADV CRYOG ENG, V44, P465
[2]  
FIELD M, UNPUB IEEE T APPL SU
[3]  
KIYOSHI T, UNPUB P 16 INT C MAG
[4]   Progress in BSCCO-2212/silver composite tape conductors [J].
Marken, KR ;
Dai, W ;
Cowey, L ;
Ting, S ;
Hong, S .
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1997, 7 (02) :2211-2214
[5]  
MARKEN KR, 1995, 2 INT MRS ISTEC WORK, P251
[6]   THE INFLUENCE OF FILAMENT SIZE AND ATMOSPHERE ON THE MICROSTRUCTURE AND J(C) OF ROUND MULTIFILAMENT BI2SR2CA1CU2OX WIRES [J].
MOTOWIDLO, LR ;
GALINSKI, G ;
OZERYANSKY, G ;
ZHANG, W ;
HELLSTROM, EE ;
SUMPTION, M ;
COLLINGS, T .
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1995, 5 (02) :1162-1166
[7]   FABRICATION CONDITIONS AND SUPERCONDUCTING PROPERTIES OF AG-SHEATHED BI-SR-CA-CU-O TAPES PREPARED BY PARTIAL MELTING AND SLOW COOLING PROCESS [J].
NOMURA, K ;
SEIDO, M ;
KITAGUCHI, H ;
KUMAKURA, H ;
TOGANO, K ;
MAEDA, H .
APPLIED PHYSICS LETTERS, 1993, 62 (17) :2131-2133
[8]   Fabrication of Bi-2212/Ag magnets for high magnetic field applications [J].
Okada, M ;
Tanaka, K ;
Wakuda, T ;
Ohata, K ;
Sato, J ;
Kumakura, H ;
Kiyoshi, T ;
Kitaguchi, H ;
Togano, K ;
Wada, T .
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1999, 9 (02) :920-923
[9]   The effect of the maximum processing temperature on the microstructure and electrical properties of melt processed Ag-sheathed Bi2Sr2CaCu2Ox tape [J].
Polak, M ;
Zhang, W ;
Polyanskii, A ;
Pashitski, A ;
Hellstrom, EE ;
Larbalestier, DC .
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1997, 7 (02) :1537-1540
[10]   Enhanced current capacity of jelly-roll processed and transformed Nb3Al multifilamentary conductors [J].
Takeuchi, T ;
Tagawa, K ;
Kiyoshi, T ;
Itoh, K ;
Kosuge, H ;
Yuyama, M ;
Wada, H ;
Iijima, Y ;
Inoue, K ;
Nakagawa, K ;
Iwaki, G ;
Moriai, H .
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1999, 9 (02) :2682-2687