HIGH-STRENGTH AND HIGH-CONDUCTIVITY COPPER ALLOY WITH EXCELLENT DUCTILITY

PROBLEM TO BE SOLVED: To provide a high-strength and high-conductivity copper alloy which has excellent strength and workability and is easy of production control. SOLUTION: The high-strength and high-conductivity copper alloy has a composition consisting of, by mass, 0.05 to 1.0% Cr, 0.05 to 0.25%...

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Bibliographische Detailangaben
Hauptverfasser:	KAN KAZUKI, FUKAMACHI KAZUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CABLES CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY CONDUCTORS ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INSULATORS METALLURGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a high-strength and high-conductivity copper alloy which has excellent strength and workability and is easy of production control. SOLUTION: The high-strength and high-conductivity copper alloy has a composition consisting of, by mass, 0.05 to 1.0% Cr, 0.05 to 0.25% Zr and the balance Cu with inevitable impurities. Moreover, in the case where, when an orientation difference between adjacent crystals is ≥5°, the space between respective crystals is regarded as a grain boundary, the ratio of coincidence boundary Σ3 in the grain boundary is ≥10%. COPYRIGHT: (C)2008,JPO&INPIT