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The effect of starting precursor conditions on the phase formation and transport properties of Bi-2223/Ag tapes
Jiang, CH; Yoo, JM; Ko, JW; Chung, HS; Wang, YZ; Qiao, GW
Corresponding AuthorJiang, CH()
2003-04-15
Source PublicationPHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
ISSN0921-4534
Volume386Pages:186-189
AbstractPrecursor powders were prepared by the spray-drying method and varied in particle size distributions. The effect of starting precursor conditions on the phase formation and transport properties of Bi-2223/Ag tapes has been investigated. The results show that precursors with fine particle sizes (<2 mum in average) lead to a fast formation of 2223 phase at the early stage of sintering and a high conversion rate from precursors to Bi-2223 in fully processed tapes. The core density and grain texture are improved in the tapes made from fine powders, which correspond to the enhanced J(c) property. I-c values, 60 and 62 A (77 K, in self-field), are achieved in short fully reacted tapes with decreasing the particle size of precursors. However, some large alkaline-earth-cuprate particles can also be found in the tape with the highest I-c which indicates that the fine powder also triggers the formation of undesired secondary phase. It might be the reason for the rapid drop of J(c) at magnetic field higher than 0.05 T along H\\c direction. (C) 2002 Elsevier Science B.V. All rights reserved.
Keywordprecursor powders Bi-2223/Ag tapes phase formation transport property
DOI10.1016/S0921-4534(02)02252-9
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000181902800044
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/117908
Collection中国科学院金属研究所
Corresponding AuthorJiang, CH
Affiliation1.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
2.Ajou Univ, Dept Mol Sci & Technol, Suwon 441749, South Korea
3.Korea Inst Machinery & Mat, Dept Mat Engn, Chang Won 641010, South Korea
Recommended Citation
GB/T 7714
Jiang, CH,Yoo, JM,Ko, JW,et al. The effect of starting precursor conditions on the phase formation and transport properties of Bi-2223/Ag tapes[J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,2003,386:186-189.
APA Jiang, CH,Yoo, JM,Ko, JW,Chung, HS,Wang, YZ,&Qiao, GW.(2003).The effect of starting precursor conditions on the phase formation and transport properties of Bi-2223/Ag tapes.PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,386,186-189.
MLA Jiang, CH,et al."The effect of starting precursor conditions on the phase formation and transport properties of Bi-2223/Ag tapes".PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS 386(2003):186-189.
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