ALUMINUM CASTING ALLOY WITH IMPROVED HIGH-TEMPERATURE PERFORMANCE

An aluminum alloy includes, in weight percent, 0.1-0.25 Si, 0.10 max Fe, 2.0-3.4 Cu, 0.9-1.2 Ni, 1.3-1.8 Mg, 0.25 max Ti, and one or more dispersoid forming elements, the balance being aluminum and unavoidable impurities. The alloy is suitable for casting, and may be formed into a cast alloy product...

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Bibliographische Detailangaben
Hauptverfasser:	BRADLY L. HOHENSTEIN, J. FRED MAJOR
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	ALLOYS BLASTING 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 ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS POWDER METALLURGY STEAM ENGINES TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	An aluminum alloy includes, in weight percent, 0.1-0.25 Si, 0.10 max Fe, 2.0-3.4 Cu, 0.9-1.2 Ni, 1.3-1.8 Mg, 0.25 max Ti, and one or more dispersoid forming elements, the balance being aluminum and unavoidable impurities. The alloy is suitable for casting, and may be formed into a cast alloy product. Additionally, the alloy exhibits excellent high temperature mechanical properties, particularly high temperature fatigue strength, as well as good corrosion resistance. Una aleación de aluminio incluye, en porcentaje en peso, Si 0,1-0,25, Fe 0,10 máx., Cu 2,0-3,4, Ni 0,9-1,2, Mg 1,3-1,8, Ti 0,25 máx., y uno o más elementos que forman dispersoides, el balance es aluminio e impurezas indeseables. La aleación es adecuada para fundición y puede formarse en un producto de aleación fundido. Adicionalmente, la aleación exhibe propiedades mecánicas a temperatura alta excelentes, resistencia a la fatiga a temperaturas particularmente altas, así como también una resistencia a la corrosión satisfactoria.