The effect of sintering temperature on the crystal growth of the Bi-2223 phase in multifilamentary tape
The effect of sintering temperature on the crystal growth of the Bi-2223 phase in multifilamentary tape
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.
Bi-2223 tapes, liquid phase, texture, grain morphology
931-934
Young, E.A.
d3a881b0-a564-41f5-9843-34ae86da360f
Huang, Y.B.
fc445475-0562-47d1-b266-060496881389
Riddle, R.
d7bef09c-ef24-4e36-8aaf-1f1fe7635d98
Yang, Y.
4cac858a-e0c0-4174-a839-05ca394fc51f
Beduz, C.
2cbc6ece-3e8b-454b-86d6-3960596bd234
2002
Young, E.A.
d3a881b0-a564-41f5-9843-34ae86da360f
Huang, Y.B.
fc445475-0562-47d1-b266-060496881389
Riddle, R.
d7bef09c-ef24-4e36-8aaf-1f1fe7635d98
Yang, Y.
4cac858a-e0c0-4174-a839-05ca394fc51f
Beduz, C.
2cbc6ece-3e8b-454b-86d6-3960596bd234
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 and its Applications, 372-376 (2), .
(doi:10.1016/S0921-4534(02)00936-X).
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.
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Published date: 2002
Keywords:
Bi-2223 tapes, liquid phase, texture, grain morphology
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Local EPrints ID: 22430
URI: http://eprints.soton.ac.uk/id/eprint/22430
ISSN: 0921-4534
PURE UUID: 0f389ff2-5dae-4d1a-b93f-dd942cccb8ad
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Date deposited: 24 Mar 2006
Last modified: 16 Mar 2024 02:44
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Author:
Y.B. Huang
Author:
R. Riddle
Author:
C. Beduz
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