TY - JOUR
T1 - Formation and texture of Bi-2223 phase during sintering in high magnetic fields
AU - Lu, X. Y.
AU - Nagata, A.
AU - Watanabe, Kazuo
AU - Nojima, T.
AU - Sugawara, K.
AU - Hanada, S.
AU - Kamada, S.
N1 - Funding Information:
This work was supported by Grand-in-Aid for Scientific Research from Japan Society for the Promotion of Science. The authors thank the Akita Prefectural Industrial Technology Center for the performance of the SEM/EDX measurements.
Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.
PY - 2003/10
Y1 - 2003/10
N2 - The formation and texture of Bi-2223 phase during sintering in high magnetic fields were investigated. Samples contained in silver crucibles were sintered at different temperatures from 835 to 860 °C for 120 h in a vertical tube furnace installed in a solenoid-type superconducting magnet. A vertical magnetic field, Ha of 10 T can be applied parallel to the long axis of the furnace. It has been found that the mixed structures of the Bi-2223 and the Bi-2212 grains with their c-axis parallel to the magnetic field are formed in samples sintered at 850-855 °C in 10 T magnetic field. Below 845 °C sintering in 10 T, a high proportion of Bi-2223 phase is obtained, however no preferred orientation is observed. It is suggested that a liquid phase is important for the formation of the textured structure in magnetic fields.
AB - The formation and texture of Bi-2223 phase during sintering in high magnetic fields were investigated. Samples contained in silver crucibles were sintered at different temperatures from 835 to 860 °C for 120 h in a vertical tube furnace installed in a solenoid-type superconducting magnet. A vertical magnetic field, Ha of 10 T can be applied parallel to the long axis of the furnace. It has been found that the mixed structures of the Bi-2223 and the Bi-2212 grains with their c-axis parallel to the magnetic field are formed in samples sintered at 850-855 °C in 10 T magnetic field. Below 845 °C sintering in 10 T, a high proportion of Bi-2223 phase is obtained, however no preferred orientation is observed. It is suggested that a liquid phase is important for the formation of the textured structure in magnetic fields.
KW - Bi-2223
KW - Magnetic field sintering
KW - Superconductors
KW - Texture
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U2 - 10.1016/S0921-4534(03)01164-X
DO - 10.1016/S0921-4534(03)01164-X
M3 - Conference article
AN - SCOPUS:0043192454
VL - 392-396
SP - 453
EP - 457
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - PART 1
T2 - Proceedings of the 15th International Symposium on Superconduc
Y2 - 11 November 2002 through 13 November 2002
ER -