AN AL-ZN-MG-AG HIGH-STRENGTH ALLOY FOR AEROSPACE AND AUTOMOTIVE CASTINGS

AN AL-ZN-MG-AG HIGH-STRENGTH ALLOY FOR AEROSPACE AND AUTOMOTIVE CASTINGS

An aluminum casting alloy comprises, in weight percent: about 4-5% Zn; about 1-3% Mg; about 0-1% Cu; less than about 0.3% Si; less than about 0.12% Fe; less than about 0.5% Mn; about 0.01-0.05 wt % B; less than about 0.15% Ti; about 0.05-0.2% Zr; about 0.1-0.5% Ag; no more than about 0.05% each misc...

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Bibliographische Detailangaben
Hauptverfasser: LIN, JEN, C, DUMANT, XAVIER, YANAR, CAGATAY, TOMBARI, ROBERT, ZELLMAN, LARRY, LAFONTAINE, ERIC, YAN, XINYAN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:An aluminum casting alloy comprises, in weight percent: about 4-5% Zn; about 1-3% Mg; about 0-1% Cu; less than about 0.3% Si; less than about 0.12% Fe; less than about 0.5% Mn; about 0.01-0.05 wt % B; less than about 0.15% Ti; about 0.05-0.2% Zr; about 0.1-0.5% Ag; no more than about 0.05% each miscellaneous element or impurity; no more than about 0.15% total miscellaneous elements or impurities; balance aluminum. The alloy may advantageously be used in either T5 or T6 tempers.