Abstract
Studying the microstructure of the ceramic in superconducting Bi-2223 based composite tapes after bending strain cycles, it was found that in Ag-sheathed tapes with a well-textured ceramic crack propagation took place preferentially in the tape plane, whereas in tapes with less texture the cracks were oriented perpendicular to the filament. A possible explanation for the unexpected crack propagation in the tape plane is given in terms of anisotropy in the elastic properties of the Bi-2223 ceramic.
| Original language | English |
|---|---|
| Pages (from-to) | 238-242 |
| Number of pages | 5 |
| Journal | Physica C: Superconductivity and its Applications |
| Volume | 277 |
| Issue number | 3-4 |
| DOIs | |
| Publication status | Published - 10 Apr 1997 |
| MoE publication type | A1 Journal article-refereed |
Funding
This work was partly supportedb y Technology DevelopmenCte ntreo f Finland.
Keywords
- Bending strain
- Bi-2223 composite superconductor
- Fracture
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