Abstract
We have studied the mechanical properties of Y-Ba-Cu-O rods with and without resin impregnation using a three-point bending test. The reliability of resin impregnation was evaluated using the Weibull distribution function. The Weibull coefficient for the resin-impregnated bulk was 16.03 at 77 K. In order to obtain more reliable data, the bending strengths were converted into the tensile strengths by considering a difference in the effective volume. It was confirmed that the tensile strengths of bulk YBCO could be enhanced by more than four times with resin impregnation. It was also confirmed that resin-impregnated Y-Ba-Cu-O exhibited a high Weibull coefficient and thus a high reliability for practical engineering applications.
| Original language | English |
|---|---|
| Pages (from-to) | 783-787 |
| Number of pages | 5 |
| Journal | Physica C: Superconductivity and its applications |
| Volume | 378-381 |
| Issue number | PART 1 |
| DOIs | |
| Publication status | Published - 2002 Oct 1 |
| Externally published | Yes |
Keywords
- Bulk superconductor
- Epoxy resins
- Mechanical property
- Weibull coefficient
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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Cite this
Tomita, M., Murakami, M., & Katagiri, K. (2002). Reliability of mechanical properties for bulk superconductors with resin impregnation. Physica C: Superconductivity and its applications, 378-381(PART 1), 783-787. https://doi.org/10.1016/S0921-4534(02)01543-5