PRODUCTION OF BRASS

PROBLEM TO BE SOLVED: To provide a method for producing brass capable of sufficiently refining crystal grains. SOLUTION: This is a method for producing brass having 37 to 46 wt.% apparent Zn content and moreover contg. 0.02 to 0.5 wt.% B and has a stage in which brass melted at a cooling rate of 5×1...

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Bibliographic Details
Main Authors MATSUBARA RYUJI, NAKAMURA KATSUAKI, UCHIDA SUSUMU
Format Patent
LanguageEnglish
Published 16.01.2001
Edition7
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:PROBLEM TO BE SOLVED: To provide a method for producing brass capable of sufficiently refining crystal grains. SOLUTION: This is a method for producing brass having 37 to 46 wt.% apparent Zn content and moreover contg. 0.02 to 0.5 wt.% B and has a stage in which brass melted at a cooling rate of 5×101 to 105 K/sec at the time of casting is solidified and a stage in which the brass after the solidification is cooled to <=400 deg.C at a cooling rate of >=5K/sec. In this way, the good refining effect on the crystal grains in the brass after the casting can be obtd.
Bibliography:Application Number: JP19990187242