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
ePrint ID: 22430
Date Deposited: 24 Mar 2006
Last Modified: 27 Mar 2014 18:11
URI: http://eprints.soton.ac.uk/id/eprint/22430

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