COPPER-NIOBIUM ALLOY AND METHOD FOR THE PRODUCTION THEREOF

Copper-niobium alloy has niobium deposits having a particle diameter of 5-100 nm in a copper matrix as well as copper-niobium mixed crystals. An Independent claim is also included for a process for producing the copper-niobium alloy comprising grinding copper powder as the matrix material with 0.1-5...

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Bibliographische Detailangaben
Hauptverfasser:	BOTCHAROVA, EKATERINA, SCHULTZ, LUDWIG, HEILMAIER, MARTIN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMISTRY ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY RELAYS SELECTORS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	Copper-niobium alloy has niobium deposits having a particle diameter of 5-100 nm in a copper matrix as well as copper-niobium mixed crystals. An Independent claim is also included for a process for producing the copper-niobium alloy comprising grinding copper powder as the matrix material with 0.1-50 at.% niobium powder, mechanically alloying and heat treating. Preferred Features: The niobium is partially dissolved in a copper lattice. The niobium deposits are in the form of fine particles or fibers. The fibers have an aspect ratio of more than 4: 1, preferably more than 10: 1. The alloy has a strength of 1200-2000 MPa.