Mechanical properties of Gd123 bulk superconductor at liquid nitrogen temperature

Akira Murakami, Kazumune Katagiri, Koichi Kasaba, Yoshitaka Shoji, Koshichi Noto, Hidekazu Teshima, Mitsuru Sawamura, Masato Murakami

研究成果: Article査読

14 被引用数 (Scopus)


In order to investigate the mechanical properties of the Gd123 single grain bulk superconductor at low temperature, bending tests were carried out. The bending fracture strength at LNT (liquid nitrogen temperature) scattered from 83 to 120 MPa was higher than that at RT, from 62 to 86 MPa. However, the Young's modulus at LNT scattered from 109 to 123 GPa was comparable to that at RT, from 110 to 129 GPa. The Weibull coefficient for the bending strength at LNT, 6.5, was almost identical with that at RT, 6.9. The endurance limit for the repeated pulsating bending up to the 5 × 104 cycles at LNT, 70 MPa, was about 70% of the average value of the monotonic bending strength.

ジャーナルIEEE Transactions on Applied Superconductivity
出版ステータスPublished - 2004 6月

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学


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