Evolution of core density of Ag-Clad Bi-2223 tapes during process

被引：11

作者：

Jiang, J

Cai, XY

Chandler, JG

Rikel, MO

Hellstrom, EE

Parrella, RD

Yu, DA

Li, Q

Rupich, MW

Riley, GN

Larbalestier, DC

机构：

[1] Univ Wisconsin, Ctr Appl Superconduct, Madison, WI 53706 USA

[2] Amer Superconductor Corp, Westborough, MA 01581 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2001年 / 11卷 / 01期

关键词：

(Bi; Pb)(2)Sr2Ca2Cu3Ox tape; porosity; mass density; critical current and microstructure;

D O I：

10.1109/77.919833

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：

The porosity and its effect on critical current density J(c) of Ag-clad (Bi,Pb)(2)Sr2Ca2Cu3Ox (Bi-2223) tapes throughout Important steps In their thermomechanical treatment was investigated by using mass density measurement, microstructural observation, and superconducting property characterization. The relative mass density of the final filament for 19 filament tape was less than 75%, even though the J(c) is similar to 50 kA/cm(2) (77K 0T), The mass density in monofilaments reached 90%, because retrograde densification during the first heat treatment (HT1) was less or even absent. Well textured Bi-2223 grain growth could result in a significant densification during the first HT in the monofilament composite. Our results hint at considerable variability in this important property of Bi-2223 tape.

引用

收藏

页码：3561 / 3564

页数：4

相关论文

共 12 条

[1] Advances in fabrication of Ag-clad Bi-2223 superconductors [J].

Balachandran, U ;

Lelovic, M ;

Prorok, BC ;

Eror, NG ;

Selvamanickam, V ;

Haldar, P .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1999, 9 (02) :2474-2479

[2] Phase formation and critical current density in Bi,Pb(2223) tapes [J].

Flukiger, R ;

Grasso, G ;

Grivel, JC ;

Marti, F ;

Dhalle, M ;

Huang, Y .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 1997, 10 (7A) :A68-A92

[3] Observation of the Bi,Pb(2223) reaction mechanism and alternative ways of producing tapes with new filament configurations [J].

Flükiger, R ;

Huang, Y ;

Marti, F ;

Dhallé, M ;

Giannini, E ;

Passerini, R ;

Bellingeri, E ;

Grasso, G ;

Grivel, JC .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1999, 9 (02) :2430-2435

[4] Effect of mechanical deformation on the mass density of Ag-clad (Bi,Pb)(2)Sr2Ca2Cu3O10 wire and tape [J].

Hu, QY ;

Liu, HK ;

Dou, SX .

APPLIED SUPERCONDUCTIVITY, 1996, 4 (1-2) :17-24

[5] Correlation between reaction kinetics of the Bi(Pb)-2223 phase and critical current density in Bi(Pb)-2223/Ag tapes [J].

Jiang, J ;

Abell, JS .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 1998, 11 (07) :705-709

[6] Mode of lead addition and its effects on phase formation and microstructure development in Ag/(Bi,Pb)(2)Sr2Ca2Cu3Ox composite conductors [J].

Luo, JS ;

Dorris, SE ;

Fischer, AK ;

LeBoy, JS ;

Maroni, VA ;

Feng, Y ;

Larbalestier, DC .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 1996, 9 (05) :412-421

[7] HTS wire at commercial performance levels [J].

Malozemoff, AP ;

Carter, W ;

Fleshler, S ;

Fritzemeier, L ;

Li, Q ;

Masur, L ;

Miles, P ;

Parker, D ;

Parrella, R ;

Podtburg, E ;

Riley, GN ;

Rupich, M ;

Scudiere, J ;

Zhang, W .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1999, 9 (02) :2469-2473

[8]

PARRELL JA, 1994, ADV CRYOG ENG, V40, P193

[9] ON THE ROLE OF VICKERS AND KNOOP MICROHARDNESS AS A GUIDE TO DEVELOPING HIGH CRITICAL-CURRENT DENSITY AG-CLAD BSCCO-2223 TAPES [J].

PARRELL, JA ;

DORRIS, SE ;

LARBALESTIER, DC .

PHYSICA C, 1994, 231 (1-2) :137-146

[10]

Rupich M W, 1998, P 1998 ISTEC MRS WOR, P147