The effect of sintering temperature on the crystal growth of the Bi-2223 phase in multifilamentary tape
Young, E.A., Huang, Y.B., Riddle, R., Yang, Y. and Beduz, C. (2002) The effect of sintering temperature on the crystal growth of the Bi-2223 phase in multifilamentary tape. Physica C: Superconductivity, 372-376, (2), 931-934. (doi: 10.1016/S0921-4534(02)00936-X).
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Description/Abstract
Bi-2223 tapes with 37 filaments, Ag–Mg–Ni alloy outer sheath and pure Ag inner sheath were heat treated in 7.5% O2 at different temperatures for 40 h. XRD of etched samples for increasing sintering temperature from 798 to 847 °C showed an increase of eightfold in the absolute intensity of the Bi-2223 (0 0 10) peak, without substantial decrease in the intensity of the Bi-2212 (0 0 Image) peak. These changes were correlated with the amount of liquid phase obtained from the Bi-2201 (0 0 8) peak. Optical microscopy also suggested an important role of the liquid phase by revealing significant changes in the morphology of Bi-2223 grains with increasing sintering temperature.
| Item Type: | Article |
|---|---|
| ISSNs: | 0921-4534 (print) |
| Related URLs: | |
| Keywords: | Bi-2223 tapes, liquid phase, texture, grain morphology |
| Subjects: | T Technology > T Technology (General) Q Science > Q Science (General) |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences |
| Item ID: | 22430 |
| Date Deposited: | 24 Mar 2006 |
| Last Modified: | 01 Jun 2011 06:19 |
| Contributors: | Young, E.A. (Author) Huang, Y.B. (Author) Riddle, R. (Author) Yang, Y. (Author) Beduz, C. (Author) |
| Date: | 2002 |
| Status: | Published |
| Contact Email Address: | eay@mech.soton.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/22430 |
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