A WROUGHT ALUMINUM AA7000-SERIES ALLOY PRODUCT AND METHOD OF PRODUCING SAID PRODUCT

This invention relates to a wrought aluminum AA7000-series alloy product, comprising (in wt %): Zn 7.5 to 14.0, Mg 1.0 to 5.0, Cu < 0.28, Fe < 0.30, Si < 0.25 and one or more of selected from the group consisting of: Zr < 0.30, Ti < 0.30, Hf < 0.30, Mn < 0.80, Cr < 0.40, V &l...

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Bibliographische Detailangaben
Hauptverfasser:	MORITZ, Claus, Jürgen, BOEZEWINKEL, Johan, HEINZ, Alfred, Ludwig, KHOSLA, Sunil, MORRA, Paola, Valentina, Absala, NORMAN, Andrew, SPANGEL, Sabine, Maria, SENGO, Sabri, VAN DE LANGKRUIS, Jörgen, BUERGER, Achim, BENEDICTUS, Rinze
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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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Beschreibung
Zusammenfassung:	This invention relates to a wrought aluminum AA7000-series alloy product, comprising (in wt %): Zn 7.5 to 14.0, Mg 1.0 to 5.0, Cu < 0.28, Fe < 0.30, Si < 0.25 and one or more of selected from the group consisting of: Zr < 0.30, Ti < 0.30, Hf < 0.30, Mn < 0.80, Cr < 0.40, V < 0.40, and Sc< 0.70, remainder: incidental elements and impurities, each < 0.05, total < 0.15, and balance aluminum, said product having reduced hot crack sensitivity, also having improved strength and toughness properties, and when in artificially aged condition having a hardness of more than 180 HB.