METHOD FOR PRODUCTION OF BRASS SEMIPRODUCTS Russian patent published in 1994 - IPC

Abstract RU 2016134 C1

FIELD: electrical industry; home appliance manufacturing. SUBSTANCE: copper melt is produced of copper and alloying components taken in the amount sufficient to yield 15-35% (by volume) of β-phase. Then castings are poured, followed by hot molding, drawing with intermediate annealings at temperatures 100-200 C higher than the recrystallization temperature and with last stage deformation ratio of 20-25% followed with cold upsetting. EFFECT: increased efficiency of the process. 4 cl, 1 tbl

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RU 2 016 134 C1

Authors

Efremov Boris Nikolaevich

Lavrent'Ev Mikhail Ivanovich

Jushina Elena Valer'Evna

Tokar' Viktor Stepanovich

Buchnev Aleksandr Petrovich

Lempert Leonid Gillar'Evich

Katsman Kim Izrailevich

Dates

1994-07-15Published

1992-05-28Filed