COPPER ALLOY AND COPPER ALLOY SHEET

Provided is a copper alloy containing 18% by mass to 30% by mass of Zn, 1% by mass to 1.5% by mass of Ni, 0.2% by mass to 1% by mass of Sn, and 0.003% by mass to 0.06% by mass of P, the remainder including Cu and unavoidable impurities. Relationships of 17‰¤f1=[Zn]+5×[Sn]-2×[Ni]‰¤30, 14‰¤f2=[2n]-0.5...

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Bibliographische Detailangaben
Hauptverfasser:	OISHI Keiichiro, HOKAZONO Takashi, NAKASATO Yosuke
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Provided is a copper alloy containing 18% by mass to 30% by mass of Zn, 1% by mass to 1.5% by mass of Ni, 0.2% by mass to 1% by mass of Sn, and 0.003% by mass to 0.06% by mass of P, the remainder including Cu and unavoidable impurities. Relationships of 17‰¤f1=[Zn]+5×[Sn]-2×[Ni]‰¤30, 14‰¤f2=[2n]-0.5×[Sn]-3×[Ni]‰¤26, 8‰¤f3={f1×(32-f1)} 1/2 ×[Ni]‰¤23, 1.3‰¤[Ni]+[Sn]‰¤2.4, 1.5‰¤[Ni]/[Sn]‰¤5.5, and 20‰¤[Ni]/[P]‰¤400 are satisfied. The copper alloy has a metallographic structure of an ± single phase.