Iron aluminide useful as electrical resistance heating elements

The invention relates generally to aluminum containing iron-base alloys useful as electrical resistance heating elements. The aluminum containing iron-base alloys have an entirely ferritic microstructure and a room temperature electrical resistivity of 80 - 400 mu OMEGA .cm. The alloy includes, in w...

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Bibliographische Detailangaben
Hauptverfasser:	SIKKA, VINOD K, FLEISCHHAUER, GRIER S, HAJALIGOL, MOHAMMAD R, LILLY, A. CLIFORN, JR, DEEVI, SEETHARAMA C
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMISTRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY RESISTORS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The invention relates generally to aluminum containing iron-base alloys useful as electrical resistance heating elements. The aluminum containing iron-base alloys have an entirely ferritic microstructure and a room temperature electrical resistivity of 80 - 400 mu OMEGA .cm. The alloy includes, in weight%, from 14-32% Al, up to 1% Cr and from 0.05 to 1.0% Zr, balance Fe. It can further also include up to 2% Mo, up to 2% Ti, up to 2% Si, up to 30% Ni, up to 0.5% Y, up to 0.1% B, up to1% Nb, up to 1% Ta, up to 3% Cu and up to 30% oxide dispersoid particles.