Abstract
We have measured the thermal conductivity (κ) of bulk Y-Ba-Cu-O blocks welded with sintered Er-Ba-Cu-O and Y-Ba-Cu-O/Ag at temperatures between 5 and 300 K. For comparison, the thermal conductivity was also measured for melt-textured Y-Ba-Cu-O and Er-Ba-Cu-O. All the samples showed the enhancement of κ at around 50 K, which was commonly observed in high temperature superconductors. The maximum κ values were 90 mW/cm K for both welded Y-Ba-Cu-O and melt-textured Er-Ba-Cu-O and 150 mW/cm K for melt-textured Y-Ba-Cu-O. Such differences have originated from different microstructural features.
| Original language | English |
|---|---|
| Pages (from-to) | 669-672 |
| Number of pages | 4 |
| Journal | Physica C: Superconductivity and its Applications |
| Volume | 392-396 |
| Issue number | PART 1 |
| DOIs | |
| Publication status | Published - 2003 Oct |
| Externally published | Yes |
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Keywords
- Er-Ba-Cu-O
- Joining
- Thermal conductivity
- Y-Ba-Cu-O bulk
- Y-Ba-Cu-O/Ag
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering
Cite this
Thermal conductivity of superconducting joint of Y-Ba-Cu-O bulk materials. / Satoh, T.; Iida, K.; Yoshioka, J.; Sakai, Naomichi; Murakami, Masato; Noto, K.
In: Physica C: Superconductivity and its Applications, Vol. 392-396, No. PART 1, 10.2003, p. 669-672.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Thermal conductivity of superconducting joint of Y-Ba-Cu-O bulk materials
AU - Satoh, T.
AU - Iida, K.
AU - Yoshioka, J.
AU - Sakai, Naomichi
AU - Murakami, Masato
AU - Noto, K.
PY - 2003/10
Y1 - 2003/10
N2 - We have measured the thermal conductivity (κ) of bulk Y-Ba-Cu-O blocks welded with sintered Er-Ba-Cu-O and Y-Ba-Cu-O/Ag at temperatures between 5 and 300 K. For comparison, the thermal conductivity was also measured for melt-textured Y-Ba-Cu-O and Er-Ba-Cu-O. All the samples showed the enhancement of κ at around 50 K, which was commonly observed in high temperature superconductors. The maximum κ values were 90 mW/cm K for both welded Y-Ba-Cu-O and melt-textured Er-Ba-Cu-O and 150 mW/cm K for melt-textured Y-Ba-Cu-O. Such differences have originated from different microstructural features.
AB - We have measured the thermal conductivity (κ) of bulk Y-Ba-Cu-O blocks welded with sintered Er-Ba-Cu-O and Y-Ba-Cu-O/Ag at temperatures between 5 and 300 K. For comparison, the thermal conductivity was also measured for melt-textured Y-Ba-Cu-O and Er-Ba-Cu-O. All the samples showed the enhancement of κ at around 50 K, which was commonly observed in high temperature superconductors. The maximum κ values were 90 mW/cm K for both welded Y-Ba-Cu-O and melt-textured Er-Ba-Cu-O and 150 mW/cm K for melt-textured Y-Ba-Cu-O. Such differences have originated from different microstructural features.
KW - Er-Ba-Cu-O
KW - Joining
KW - Thermal conductivity
KW - Y-Ba-Cu-O bulk
KW - Y-Ba-Cu-O/Ag
UR - http://www.scopus.com/inward/record.url?scp=0041782703&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0041782703&partnerID=8YFLogxK
U2 - 10.1016/S0921-4534(03)00986-9
DO - 10.1016/S0921-4534(03)00986-9
M3 - Article
VL - 392-396
SP - 669
EP - 672
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - PART 1
ER -