Superconductive transition metal carbonitride fibers and method

Compositions – Electrically conductive or emissive compositions – Elemental carbon containing

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29599, 252516, 423364, 423371, H01B 106

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active

039518701

ABSTRACT:
Fine diameter continuous multifilament superconductor yarns comprising niobium carbonitride may be prepared. The fibers of which the yarn is composed possess a very high transition temperature (T.sub.c of 17.degree.K) combined with a good upper critical field (H.sub.c2 of 125 kG) and critical current density (J.sub.c of 10.sup.5 amps/cm.sup.2 at 40 kG). This invention provides excellent superconductor materials in the form of continuous fine diameter multifilament yarn.

REFERENCES:
patent: 3364099 (1968-01-01), Forshey et al.
patent: 3380935 (1968-04-01), Ring
"Superconductivity of Cubic Niobium Carbo-Nitrides", J. Phys. Chem. Solids, Pergamon Press 1967, Vol. 28, pp. 333-341.
Chemical Abstracts, Vol. 78, 1973, 7260d, "Development on Process for Producing Continuous Fine Diameter Filaments of Superconductors".

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