SILVER CONTAINING COPPER ALLOY

A copper alloy that consists essentially of, by weight, from 0.15% to 0.7% of chromium, from 0.005% to 0.3% of silver, from 0.01% to 0.15% of titanium, from 0.01% to 0.10% of silicon, up to 0.2% of iron, up to 0.5% of tin, and the balance copper and inevitable impurities has high strength, a yield s...

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Bibliographic Details
Main Authors BREEDIS, JOHN F, BOGEL, ANDREAS, KUHN, HANS-ACHIM, CARON, RONALD N, SEEGER, JORG, TYLER, DEREK E
Format Patent
LanguageEnglish
Published 23.08.2002
Edition7
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CABLES
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
CONDUCTORS
CURRENT COLLECTORS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
INSULATORS
LINE CONNECTORS
METALLURGY
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SEMICONDUCTOR DEVICES
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:A copper alloy that consists essentially of, by weight, from 0.15% to 0.7% of chromium, from 0.005% to 0.3% of silver, from 0.01% to 0.15% of titanium, from 0.01% to 0.10% of silicon, up to 0.2% of iron, up to 0.5% of tin, and the balance copper and inevitable impurities has high strength, a yield strength in excess of 552 MPa, and high electrical conductivity, in excess of 80% IACS. The alloy further has substantially isotropic bend characteristics when the processing route includes a solution heat anneal (14) above 850 DEG C and subsequent cold rolling (20) into sheet, strip or foil interspersed by bell annealing (22). As a result, the alloy is particularly suited for forming into box-type electrical connectors for both automotive or multimedia applications. The alloy is also suitable for forming into a rod, wire or section.
Bibliography:Application Number: HK20020104488