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

Motohide Matsui; Naomichi Sakai; Masato Murakami; Kozo Osamura

doi:10.1088/0953-2048/16/9/321

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

Motohide Matsui, Naomichi Sakai, Masato Murakami, Kozo Osamura

研究成果: Conference article › 査読

11 被引用数 (Scopus)

抄録

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.

本文言語	English
ページ（範囲）	1086-1091
ページ数	6
ジャーナル	Superconductor Science and Technology
巻	16
号	9
DOI	https://doi.org/10.1088/0953-2048/16/9/321
出版ステータス	Published - 2003 9 1
外部発表	はい
イベント	MEMO 3: Second International Workshop on Mechano-Electromagetic Properties of Composite Superconductors - Kyoto, Japan 継続期間: 2003 3 3 → 2003 3 5

ASJC Scopus subject areas

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

文献へのアクセス

10.1088/0953-2048/16/9/321

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引用スタイル

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abstract = "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.",

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AB - 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.

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