Vickers hardness properties of YBCO bulk superconductor at cryogenic temperatures

Y. Yoshino, A. Iwabuchi, K. Noto, N. Sakai, M. Murakami

研究成果: Article査読

37 被引用数 (Scopus)

抄録

Vickers hardness properties of YBCO bulk superconductor have been investigated from 40 to 293 K in this study. Hardness increased up to 18,000 ± 2500 MPa with decreasing temperature. Furthermore, cracks caused by the indentation process were observed with SEM, and the increase in crack length with decreasing of temperature was obtained. Fracture toughness KIC at cryogenic temperatures was attempted to estimate with Vickers hardness and crack length.

本文言語English
ページ(範囲)796-798
ページ数3
ジャーナルPhysica C: Superconductivity and its applications
357-360
DOI
出版ステータスPublished - 2001 8
外部発表はい

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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