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Influence of powder characteristics on the properties of green compacts of Bi-2212 powders

Published online by Cambridge University Press:  31 January 2011

D.-W. Yuan ,
M. D. Aesoph  and
J. Kajuch
D.-W. Yuan
Affiliation:
Concurrent Technologies Corporation, Johnstown, Pennsylvania 15904
M. D. Aesoph
Affiliation:
Concurrent Technologies Corporation, Johnstown, Pennsylvania 15904
J. Kajuch
Affiliation:
Concurrent Technologies Corporation, Johnstown, Pennsylvania 15904
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Abstract

With the growing potential for use of Bi-2212 powders in high temperature superconducting applications, it is important to understand the processing characteristics of the material. To meet this need, the present work established the relationship between confining pressure and green density for powders of different particle sizes and morphologies. Mechanical properties, including elastic and plastic behavior, of the resulting green compacts were also measured as a function of relative density. Particle size and size distribution are shown to have a significant impact on the properties of interest. The implications of such findings are discussed with respect to the powder-in-tube process for making high temperature superconducting wire and tape.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 1 , January 1997 , pp. 21 - 27
Copyright
Copyright © Materials Research Society 1997

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