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Sintering and Microstructure - Property Relations for YBa2Cu3Ox

Published online by Cambridge University Press:  28 February 2011

R. K. Bordia ,
H. S. Horowitz ,
M. A. Subramanian ,
J. B. Michel ,
E. M. McCarron III ,
C. C. Torardi ,
J. D. Bolt ,
U. Chowdhry ,
E. Lopdrup  and
S. J. Poon
R. K. Bordia
Affiliation:
Central Research and Development Department E. I. duPont de Nemours and Co. Inc., Experimental Station, Wilmington, DE 19898.
H. S. Horowitz
Affiliation:
Central Research and Development Department E. I. duPont de Nemours and Co. Inc., Experimental Station, Wilmington, DE 19898.
M. A. Subramanian
Affiliation:
Central Research and Development Department E. I. duPont de Nemours and Co. Inc., Experimental Station, Wilmington, DE 19898.
J. B. Michel
Affiliation:
Central Research and Development Department E. I. duPont de Nemours and Co. Inc., Experimental Station, Wilmington, DE 19898.
E. M. McCarron III
Affiliation:
Central Research and Development Department E. I. duPont de Nemours and Co. Inc., Experimental Station, Wilmington, DE 19898.
C. C. Torardi
Affiliation:
Central Research and Development Department E. I. duPont de Nemours and Co. Inc., Experimental Station, Wilmington, DE 19898.
J. D. Bolt
Affiliation:
Central Research and Development Department E. I. duPont de Nemours and Co. Inc., Experimental Station, Wilmington, DE 19898.
U. Chowdhry
Affiliation:
Central Research and Development Department E. I. duPont de Nemours and Co. Inc., Experimental Station, Wilmington, DE 19898.
E. Lopdrup
Affiliation:
University of Virginia, Department of Physics, Charlottesville, VA 22901.
S. J. Poon
Affiliation:
University of Virginia, Department of Physics, Charlottesville, VA 22901.
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Extract

The recent discovery of high temperature superconductivity in YBa2Cu3O7 has led to intense activity in the processing of these oxides. The earliest attempts to synthesize these materials were based on solid state routes. These routes do not produce highly sinterable powders. Solution routes can potentially produce much more sinterable powders. We have investigated several synthesis routes - both solid state and solution. The details of these will be presented elsewhere(1). Here, we contrast the physical properties and the densification behavior of powders made via solid state and solution routes. We also present preliminary results on the microstructural characterization and electrical properties of the sintered samples.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 245
Copyright
Copyright © Materials Research Society 1988

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References

REFERENCES

1(a). Horowitz, H. S., Subramanian, M. A., Michel, J. B., McMarron, E. M., Torardi, C. C., Bordia, R. K. and Chowdhry, U., “Evaluation of Various Synthetic Routes in the Formation of YBa2Cu3OX ”, Presented at Am. Ceram. Soc., Elect. Div. Meeting, Denver, CO, Oct. 19, 1987.Google Scholar
1 (b). Bordia, R. K., Chowdhry, U., Lopdrup, E. and Poon, S. J. “Sintering Behavior and Microstructure - Property Relationship in YBa2Cu3Ox ”, Presented at Am. Ceram. Soc., Elect. Div. Meeting, Denver, CO, Oct. 19, 1987.Google Scholar
1(c). Bordia, R. K., Horowitz, H. S., Subramanian, M. A., Michel, J. B., McMarron, E. M., Torardi, C. C., Bolt, J. D., Chowdhry, U., Lopdrup, E., and Poon, S. J. “Synthesis, Densification and Properties of YBa2Cu3Ox” in preparation.Google Scholar
2. Marcilly, C., Courty, P., Delmon, B., J. Am. Cer. Soc., 53 [1], 56 (1970).Google Scholar