Effect of Ag2O addition on the trapped fields and mechanical properties of Nd-Ba-Cu-O bulk superconductors

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Abstract

We investigated the effect of Ag2O addition on the microstructures, the superconducting properties, the field-trapping capabilities and the mechanical properties of Nd-Ba-Cu-O (Nd123:Nd422 = 10:2) bulk superconductors. The samples were added with 10 wt% and 20 wt% Ag2O and grown in 1% O2-Ar atmosphere. The superconducting properties and the field-trapping capabilities were not affected by Ag2O content; however, the mechanical properties were greatly improved with increasing Ag2O content. The sample with 20 wt% Ag2O exhibited the Weibull coefficient exceeding 13.

Original languageEnglish
Pages (from-to)1092-1098
Number of pages7
JournalSuperconductor Science and Technology
Volume15
Issue number7
DOIs
Publication statusPublished - 2002 Jul
Externally publishedYes

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Superconducting materials
trapping
mechanical properties
Mechanical properties
atmospheres
microstructure
Microstructure
coefficients

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

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abstract = "We investigated the effect of Ag2O addition on the microstructures, the superconducting properties, the field-trapping capabilities and the mechanical properties of Nd-Ba-Cu-O (Nd123:Nd422 = 10:2) bulk superconductors. The samples were added with 10 wt{\%} and 20 wt{\%} Ag2O and grown in 1{\%} O2-Ar atmosphere. The superconducting properties and the field-trapping capabilities were not affected by Ag2O content; however, the mechanical properties were greatly improved with increasing Ag2O content. The sample with 20 wt{\%} Ag2O exhibited the Weibull coefficient exceeding 13.",
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AU - Sakai, Naomichi

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N2 - We investigated the effect of Ag2O addition on the microstructures, the superconducting properties, the field-trapping capabilities and the mechanical properties of Nd-Ba-Cu-O (Nd123:Nd422 = 10:2) bulk superconductors. The samples were added with 10 wt% and 20 wt% Ag2O and grown in 1% O2-Ar atmosphere. The superconducting properties and the field-trapping capabilities were not affected by Ag2O content; however, the mechanical properties were greatly improved with increasing Ag2O content. The sample with 20 wt% Ag2O exhibited the Weibull coefficient exceeding 13.

AB - We investigated the effect of Ag2O addition on the microstructures, the superconducting properties, the field-trapping capabilities and the mechanical properties of Nd-Ba-Cu-O (Nd123:Nd422 = 10:2) bulk superconductors. The samples were added with 10 wt% and 20 wt% Ag2O and grown in 1% O2-Ar atmosphere. The superconducting properties and the field-trapping capabilities were not affected by Ag2O content; however, the mechanical properties were greatly improved with increasing Ag2O content. The sample with 20 wt% Ag2O exhibited the Weibull coefficient exceeding 13.

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