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加Ag对（Bi,Pb）2Sr2Ca2Cu3Oy超导带材组织和性能的影响

马衍伟,  王祖唐

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马衍伟, 王祖唐. 加Ag对（Bi,Pb）2Sr2Ca2Cu3Oy超导带材组织和性能的影响[J]. 粉末冶金技术, 1998, 16(2): 85-88.
引用本文: 马衍伟, 王祖唐. 加Ag对（Bi,Pb）2Sr2Ca2Cu3Oy超导带材组织和性能的影响[J]. 粉末冶金技术, 1998, 16(2): 85-88.
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Ma Yanwei, Wang Zutang. Effects of Ag doping on properties and microstructure of (Bi,Pb)2Sr2Ca2Cu3Oy superconducting tapes[J]. Powder Metallurgy Technology, 1998, 16(2): 85-88.
Citation: Ma Yanwei, Wang Zutang. Effects of Ag doping on properties and microstructure of (Bi,Pb)2Sr2Ca2Cu3Oy superconducting tapes[J]. Powder Metallurgy Technology, 1998, 16(2): 85-88.
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加Ag对（Bi,Pb）2Sr2Ca2Cu3Oy超导带材组织和性能的影响

  • 1. 北京科技大学, 100083;

  • 2. 清华大学, 100084

详细信息
    作者简介:

    马衍伟,工学博士,现在北京科技大学进行博士后研究,国内外已发表论文二十多篇。

Effects of Ag doping on properties and microstructure of (Bi,Pb)2Sr2Ca2Cu3Oy superconducting tapes

  • 1. Department of Metal Forming, University of Science and Technology Beijing, Beijing 100083, China;

  • 2. Wsinghua University, Beijing 100084

    摘要
  • 摘要: 研究了超导粉末中添加银对Bi系高温超导带材组织和性能的影响。添加银粉后,增大了银/氧化物之间的接触面积,改善了晶粒弱连接,相应地提高了Jc。另外加银粉可有效降低裂纹危害,增强带材的抗弯性能。
    Abstract: Effects of doping silver powders on the properties of Bi-2223 superconducting tapes were studied.It was found that the Ag/(2223) interface area with a high degree of texturing can be enhanced and thus its Jc can be improved by addition of silver powders.Besides,the bending strain characteristic of Ag-doped tapes was improved than that of undoped ones.The crack initiation and propagation induced by bending in Ag-doped tapes were delayed.
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出版历程
  • 收稿日期:  1997-08-15

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