COPPER ALLOY CONTAINING COBALT, NICKEL AND SILICON

A process for manufacturing copper-nickel-silicon alloys includes the sequential steps of casting the copper alloy; hot working the cast copper-base alloy to effect a first reduction in cross-sectional area; solutionizing the cast copper-base alloy at a temperature and for a time effective to substa...

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Bibliographic Details
Main Authors TYLER DEREK E, BOEGEL ANDREAS, SEEGER JOERG, KUHN HANS-ACHIM, KEPPELER FRANK M, ROBINSON PETER W, MANDIGO FRANK N
Format Patent
LanguageEnglish
Published 16.01.2014
Subjects
ALLOYS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:A process for manufacturing copper-nickel-silicon alloys includes the sequential steps of casting the copper alloy; hot working the cast copper-base alloy to effect a first reduction in cross-sectional area; solutionizing the cast copper-base alloy at a temperature and for a time effective to substantially form a single phase alloy; first age annealing the alloy at a temperature and for a time effective to precipitate an amount of a second phase effective to form a multi-phase alloy having silicides; cold working the multi-phase alloy to effect a second reduction in cross-sectional area; and second age annealing the multiphase alloy at a temperature and for a time effective to precipitate additional silicides thereby raising conductivity, wherein the second age annealing temperature is less than the first age annealing temperature.
Bibliography:Application Number: US201313864568