Abstract
We have characterized the mechanical properties of a large-grain Y-Ba-Cu-O 46 mm in diameter using the strain gauges. The electromagnetic stress was imposed on the bulk samples by reducing the external field from 7 T to 0 T at 65 K. The sample without resin was broken during the field-decreasing process with the maximum stress reaching 150 MPa. In contrast, the maximum stress was only 40 MPa for the resin-impregnated sample covered with the carbon fiber fabrics. In order to confirm the improvement of mechanical properties through resin impregnation combined with carbon fiber fabric wrapping, we measured trapped fields at lower temperatures. Resin-impregnated Y-Ba-Cu-O bulk 2.4 cm in diameter Sm-Ba-Cu-O bulk 2.4 cm in diameter wrapped with carbon fiber fabric could trap a field of 13.55 T at 36 K and 13.69 T at 47 K, respectively.
| Original language | English |
|---|---|
| Pages (from-to) | 3095-3098 |
| Number of pages | 4 |
| Journal | IEEE Transactions on Applied Superconductivity |
| Volume | 13 |
| Issue number | 2 III |
| DOIs | |
| Publication status | Published - 2003 Jun |
| Externally published | Yes |
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Keywords
- Critical current
- Epoxy resin
- High-T bulk superconductor
- Mechanical property
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Physics and Astronomy (miscellaneous)
Cite this
Improvement of the trapping capacity of bulk superconductor with resin impregnation. / Tomita, M.; Murakami, Masato.
In: IEEE Transactions on Applied Superconductivity, Vol. 13, No. 2 III, 06.2003, p. 3095-3098.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Improvement of the trapping capacity of bulk superconductor with resin impregnation
AU - Tomita, M.
AU - Murakami, Masato
PY - 2003/6
Y1 - 2003/6
N2 - We have characterized the mechanical properties of a large-grain Y-Ba-Cu-O 46 mm in diameter using the strain gauges. The electromagnetic stress was imposed on the bulk samples by reducing the external field from 7 T to 0 T at 65 K. The sample without resin was broken during the field-decreasing process with the maximum stress reaching 150 MPa. In contrast, the maximum stress was only 40 MPa for the resin-impregnated sample covered with the carbon fiber fabrics. In order to confirm the improvement of mechanical properties through resin impregnation combined with carbon fiber fabric wrapping, we measured trapped fields at lower temperatures. Resin-impregnated Y-Ba-Cu-O bulk 2.4 cm in diameter Sm-Ba-Cu-O bulk 2.4 cm in diameter wrapped with carbon fiber fabric could trap a field of 13.55 T at 36 K and 13.69 T at 47 K, respectively.
AB - We have characterized the mechanical properties of a large-grain Y-Ba-Cu-O 46 mm in diameter using the strain gauges. The electromagnetic stress was imposed on the bulk samples by reducing the external field from 7 T to 0 T at 65 K. The sample without resin was broken during the field-decreasing process with the maximum stress reaching 150 MPa. In contrast, the maximum stress was only 40 MPa for the resin-impregnated sample covered with the carbon fiber fabrics. In order to confirm the improvement of mechanical properties through resin impregnation combined with carbon fiber fabric wrapping, we measured trapped fields at lower temperatures. Resin-impregnated Y-Ba-Cu-O bulk 2.4 cm in diameter Sm-Ba-Cu-O bulk 2.4 cm in diameter wrapped with carbon fiber fabric could trap a field of 13.55 T at 36 K and 13.69 T at 47 K, respectively.
KW - Critical current
KW - Epoxy resin
KW - High-T bulk superconductor
KW - Mechanical property
UR - http://www.scopus.com/inward/record.url?scp=0041975044&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0041975044&partnerID=8YFLogxK
U2 - 10.1109/TASC.2003.812112
DO - 10.1109/TASC.2003.812112
M3 - Article
VL - 13
SP - 3095
EP - 3098
JO - IEEE Transactions on Applied Superconductivity
JF - IEEE Transactions on Applied Superconductivity
SN - 1051-8223
IS - 2 III
ER -