Sintering of bulk high-Tc superconductors: Bi-Sr-Ca-Cu-O

K. C. Goretta; Michael T. Lanagan; D. Y. Kaufman; A. C. Biondo; C. T. Wu; M. E. Loomans; M. R. Cheesman; R. B. Poeppel; A. S. Nash

Sintering of bulk high-T_c superconductors: Bi-Sr-Ca-Cu-O

K. C. Goretta, Michael T. Lanagan, D. Y. Kaufman, A. C. Biondo, C. T. Wu, M. E. Loomans, M. R. Cheesman, R. B. Poeppel, A. S. Nash

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Bi₂Sr₂CaCu₂O_x (2212) and (Bi,Pb)₂Sr₂Ca₂Cu₃O_x (2223) superconductors have orthorhombic crystal structures. They form platelike grains that at high temperatures grow primarily in the a-b planes and not in the c direction. The diffusional properties of Bi-Sr-Ca-Cu-O superconductors are so anisotropic that 2212 and 2223 cannot, in general, be densified by solid-state sintering. Densification can be improved by application of pressure or by use of transient liquid phases. Most of the useful bulk Bi-Sr-Ca-Cu-O superconductors are composites that contain metallic Ag, generally as a sheath or substrate. The Ag lowers the melting points of the superconductors, which has significant effects on microstructural development. The results of disparate sintering studies are presented and discussed.

Original language	English (US)
Title of host publication	Properties of Emerging P/M Materials
Publisher	Publ by Metal Powder Industries Federation
Pages	261-269
Number of pages	9
ISBN (Print)	187895427X
State	Published - Dec 1 1992
Event	Proceedings of the 1992 Powder Metallurgy World Congress. Part 1 (of 9) - San Francisco, CA, USA Duration: Jun 21 1992 → Jun 26 1992

Publication series

Name	Advances in Powder Metallurgy
Volume	8
ISSN (Print)	1042-8860

Other

Other	Proceedings of the 1992 Powder Metallurgy World Congress. Part 1 (of 9)
City	San Francisco, CA, USA
Period	6/21/92 → 6/26/92

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Metals and Alloys

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@inproceedings{468fccf0aedf4923a233d32c0136c6ff,

title = "Sintering of bulk high-Tc superconductors: Bi-Sr-Ca-Cu-O",

abstract = "Bi2Sr2CaCu2Ox (2212) and (Bi,Pb)2Sr2Ca2Cu3Ox (2223) superconductors have orthorhombic crystal structures. They form platelike grains that at high temperatures grow primarily in the a-b planes and not in the c direction. The diffusional properties of Bi-Sr-Ca-Cu-O superconductors are so anisotropic that 2212 and 2223 cannot, in general, be densified by solid-state sintering. Densification can be improved by application of pressure or by use of transient liquid phases. Most of the useful bulk Bi-Sr-Ca-Cu-O superconductors are composites that contain metallic Ag, generally as a sheath or substrate. The Ag lowers the melting points of the superconductors, which has significant effects on microstructural development. The results of disparate sintering studies are presented and discussed.",

author = "Goretta, {K. C.} and Lanagan, {Michael T.} and Kaufman, {D. Y.} and Biondo, {A. C.} and Wu, {C. T.} and Loomans, {M. E.} and Cheesman, {M. R.} and Poeppel, {R. B.} and Nash, {A. S.}",

year = "1992",

month = dec,

day = "1",

language = "English (US)",

isbn = "187895427X",

series = "Advances in Powder Metallurgy",

publisher = "Publ by Metal Powder Industries Federation",

pages = "261--269",

booktitle = "Properties of Emerging P/M Materials",

note = "Proceedings of the 1992 Powder Metallurgy World Congress. Part 1 (of 9) ; Conference date: 21-06-1992 Through 26-06-1992",

}

Goretta, KC, Lanagan, MT, Kaufman, DY, Biondo, AC, Wu, CT, Loomans, ME, Cheesman, MR, Poeppel, RB & Nash, AS 1992, Sintering of bulk high-T_c superconductors: Bi-Sr-Ca-Cu-O. in Properties of Emerging P/M Materials. Advances in Powder Metallurgy, vol. 8, Publ by Metal Powder Industries Federation, pp. 261-269, Proceedings of the 1992 Powder Metallurgy World Congress. Part 1 (of 9), San Francisco, CA, USA, 6/21/92.

Sintering of bulk high-T_c superconductors : Bi-Sr-Ca-Cu-O. / Goretta, K. C.; Lanagan, Michael T.; Kaufman, D. Y.; Biondo, A. C.; Wu, C. T.; Loomans, M. E.; Cheesman, M. R.; Poeppel, R. B.; Nash, A. S.

Properties of Emerging P/M Materials. Publ by Metal Powder Industries Federation, 1992. p. 261-269 (Advances in Powder Metallurgy; Vol. 8).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

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AU - Goretta, K. C.

AU - Lanagan, Michael T.

AU - Kaufman, D. Y.

AU - Biondo, A. C.

AU - Wu, C. T.

AU - Loomans, M. E.

AU - Cheesman, M. R.

AU - Poeppel, R. B.

AU - Nash, A. S.

PY - 1992/12/1

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N2 - Bi2Sr2CaCu2Ox (2212) and (Bi,Pb)2Sr2Ca2Cu3Ox (2223) superconductors have orthorhombic crystal structures. They form platelike grains that at high temperatures grow primarily in the a-b planes and not in the c direction. The diffusional properties of Bi-Sr-Ca-Cu-O superconductors are so anisotropic that 2212 and 2223 cannot, in general, be densified by solid-state sintering. Densification can be improved by application of pressure or by use of transient liquid phases. Most of the useful bulk Bi-Sr-Ca-Cu-O superconductors are composites that contain metallic Ag, generally as a sheath or substrate. The Ag lowers the melting points of the superconductors, which has significant effects on microstructural development. The results of disparate sintering studies are presented and discussed.

AB - Bi2Sr2CaCu2Ox (2212) and (Bi,Pb)2Sr2Ca2Cu3Ox (2223) superconductors have orthorhombic crystal structures. They form platelike grains that at high temperatures grow primarily in the a-b planes and not in the c direction. The diffusional properties of Bi-Sr-Ca-Cu-O superconductors are so anisotropic that 2212 and 2223 cannot, in general, be densified by solid-state sintering. Densification can be improved by application of pressure or by use of transient liquid phases. Most of the useful bulk Bi-Sr-Ca-Cu-O superconductors are composites that contain metallic Ag, generally as a sheath or substrate. The Ag lowers the melting points of the superconductors, which has significant effects on microstructural development. The results of disparate sintering studies are presented and discussed.

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BT - Properties of Emerging P/M Materials

PB - Publ by Metal Powder Industries Federation

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