A RESEARCH INVESTIGATION OF THE FACTORS THAT AFFECT THE SUPERCONDUCTING PROPERTIES OF MATERIALS.

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Abstract:

This report deals with two properties of high field superconductors namely, their critical current density and a-c losses. These two properties are related to each other, and in this report the phenomenology of this relation is ex amined in detail, both theoretically and experimentally. The fundamental processes that underlie the phenomenological relationships are the interactions between the electromagnetic structure of type II superconductors and their metallurgical structure. This report describes theoretical and experimental studies of these interactions, especially the effect of surfaces and of radiationinduced defects. A few preliminary studies have also been made of losses in Nb as a function of temperature in which the mechanisms of loss may not be identical to those in high field superconductors. Author

Author(s):
Schmitt, R. W. ; Hart, H. R., Jr. ; Swartz, P. S. ; Fleischer, R. L. ; Bean, C. P.
Author Organization(s):
GENERAL ELECTRIC CO SCHENECTADY N Y
Descriptive Note:
Progress rept. no. 1, 15 June-15 Dec 63,
Pagination:
0032

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Contract/Grant Number(s):
AF33 657 11722
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*SUPERCONDUCTORS, ELECTRICAL PROPERTIES, ELECTRIC CURRENT, DENSITY, ALTERNATING CURRENT, EXPERIMENTAL DATA, ELECTROMAGNETIC PROPERTIES, SUPERCONDUCTIVITY, METALLURGY, TEMPERATURE, NIOBIUM
Keyword(s):
LOSSES
Report Date:
1963 Dec 01