Mechanical properties of Nd-Ba-Cu-O bulk superconductors

Motohide Matsui, Naomichi Sakai, Masato Murakami, Kozo Osamura

研究成果: Conference article

11 引用 (Scopus)

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We investigated the effects of Nd422 and Ag particles on the mechanical properties in Nd-Ba-Cu-O bulk superconductors. Both Nd422 and Ag particles were effective in decreasing the amount of microcracks running along the c direction. In the case of Nd422, however, excessive Nd422 addition enhanced the crack propagation, resulting in the degradation of mechanical strength. In the case of Ag addition, the beneficial effect of its ductile mechanical property was not observed. This was due to a relatively large size of Ag particles and low interfacial strength between Ag and Nd123 matrix. It was remarkable that the Weibull coefficient of the sample with Ag2O addition exceeded 13, which is reliable enough for practical engineering applications.

元の言語English
ページ(範囲)1086-1091
ページ数6
ジャーナルSuperconductor Science and Technology
16
発行部数9
DOI
出版物ステータスPublished - 2003 9 1
イベントMEMO 3: Second International Workshop on Mechano-Electromagetic Properties of Composite Superconductors - Kyoto, Japan
継続期間: 2003 3 32003 3 5

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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