Fabrication and Properties of Ag-Ni Bimetallic Sheathed (Bi,Pb)-2223 Tapes

被引：9

作者：

Chen, X. P. ^{[1
]}

Yu, X. W. ^{[1
]}

Liu, M. ^{[1
]}

Li, M. Y. ^{[2
]}

Sun, H. B. ^{[3
]}

Liu, Q. ^{[1
]}

机构：

[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400030, Peoples R China

[2] Northeastern Univ, Dept Mat Sci & Engn, Qinhuangdao 066004, Peoples R China

[3] Innova Superconductor Technol Co Ltd, Beijing 100176, Peoples R China

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2012年 / 25卷 / 05期

关键词：

(Bi; Pb)-2223/Ag/Ni tapes; Bimetallic sheathes; Critical current density; Dwelling time; CRITICAL-CURRENT DENSITY; MECHANICAL-PROPERTIES; HEAT-TREATMENT; LOW-COST; POWDER; MICROSTRUCTURE; SUPERCONDUCTOR;

D O I：

10.1007/s10948-012-1412-9

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

10-meter-long Ag-Ni bimetallic sheathed (Bi,Pb)-2223 tapes with outer nickel sheath and inner silver sheath have been successfully fabricated by the "Powder in tube" technique. Microstructure and phase evolution studies by means of SEM and XRD, as well as critical current density (J (c) ) measurements have been performed. It is found that the nickel sheath and dwell time in the first sintering process have great influences on the texture evolution, phase transformation and J (c) of the Bi-2223/Ag/Ni tapes. Mono-filament (Bi,Pb)-2223 tape with a J (c) of 6656 A cm(-2) and 61-filament tape with a J (c) of 12420 A cm(-2) are obtained. Although using composite bimetallic sheaths can reduce production costs and improve mechanical properties of the Bi-2223 tapes, the Bi-2223 content and J (c) of Bi-2223/Ag/Ni tapes are relatively lower than that of traditional Bi-2223/Ag tapes. Meanwhile, due to higher Bi-2223 content and better alignment of Bi-2223 grains, tapes with 61-filament have higher J (c) than mono-filament tapes.

引用

页码：1501 / 1507

页数：7

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