摘要 |
<p>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.</p> |
申请人 |
ALERIS ALUMINUM KOBLENZ GMBH |
发明人 |
BUERGER, ACHIM;SPANGEL, SABINE MARIA;VAN DE LANGKRUIS, JORGEN;MORRA, PAOLA VALENTINA ABSALA;BENEDICTUS, RINZE;BOEZEWINKEL, JOHAN;SENGO, SABRI;HEINZ, ALFRED LUDWIG;MORITZ, CLAUS JURGEN;NORMAN, ANDREW;KHOSLA, SUNIL |