MIXED FIBER COMPOSITE STRUCTURES: METHOD OF PREPARATION, ARTICLES THERREFROM, AND USES THEREFROM

A new class of composites results from a matrix of fibers, such as fibers of carbon, alumina, ceramics, and aluminosilicates, interwined in a network of fused metal fibers. The composites can be fabricated to have varying surface area, void volume, and pore size while maintaining high electrical con...

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Bibliographische Detailangaben
Hauptverfasser:	ARAVAMUTHAN KRISHNAGOPALAN, BRUCE J. TATARCHUK, MILLARD F. ROSE
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BRAIDING CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CASTING COTTON-WOOL ELECTRICITY FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING MAKING METALLIC POWDER MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MANUFACTURE OF ARTICLES FROM METALLIC POWDER NON-WOVEN FABRICS PERFORMING OPERATIONS POWDER METALLURGY TEXTILES TRANSPORTING TRIMMINGS WADDING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A new class of composites results from a matrix of fibers, such as fibers of carbon, alumina, ceramics, and aluminosilicates, interwined in a network of fused metal fibers. The composites can be fabricated to have varying surface area, void volume, and pore size while maintaining high electrical conductivity. Composites are readily prepared from a preform of a dispersion of the metal fibers, other fibers, and an organic binder such as cellulose, by heating the preform at a temperature sufficient to fuse the metal fibers and to volatilize at least 90% of the binder. Where a carbon fiber is used, the metal fibers are fused at a temperature causing a loss of less than about 25%, and usually under 15%, by weight of carbon fiber.