Copper alloys having an improved combination of strength and conductivity

A copper base alloy having an improved combination of conductivity and strength for applications such as lead frames or electrical connectors. The alloys consists essentially of from about 0.3 to 1.6% by weight iron, with up to one-half the iron content being replaced by nickel, manganese, cobalt, a...

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Bibliographische Detailangaben
Hauptverfasser:	BREEDIS, JOHN F, KNORR, DAVID B
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES FERROUS OR NON-FERROUS ALLOYS METALLURGY RELAYS SELECTORS SEMICONDUCTOR DEVICES TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A copper base alloy having an improved combination of conductivity and strength for applications such as lead frames or electrical connectors. The alloys consists essentially of from about 0.3 to 1.6% by weight iron, with up to one-half the iron content being replaced by nickel, manganese, cobalt, and mixtures thereof; from about 0.01 to about 0.20% by weight magnesium; from about 0.10 to about 0.40% by weight phosphorus; up to about 0.5% by weight tin or antimony and mixtures thereof; and the balance copper. The phosphorus to magnesium ratio and phosphorus to the total content of phosphide formers ratio are maintained within critical limits.