Casting made from aluminium alloy, having high hot creep and fatigue resistance

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United States of America Patent

SERIAL NO

13055394

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Abstract

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The subject of the invention is a cast part with high static mechanical strength, and for fatigue and hot creep, made of aluminum alloy of composition:

    Si: 3-11%, preferably 5.0-9.0%Fe<0.50%, preferably <0.30%, preferably still <0.19% or even 0.12%Cu: 2.0-5.0%, preferably 2.5-4.2%, preferably still 3.0-4.0%Mn: 0.05-0.50%, preferably 0.08-0.20%Mg: 0.10-0.25%, preferably 0.10-0.20%Zn: <0.30%, preferably <0.10%Ni: <0.30%, preferably <0.10%V: 0.05-0.19%, preferably 0.08-0.19%, preferably still 0.10-0.19%Zr: 0.05-0.25%, preferably 0.08-0.20%Ti: 0.01-0.25%, preferably 0.05-0.20%other elements <0.05% each and 0.15% in total, the rest aluminum.

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Patent Owner(s)

Patent OwnerAddress
RIO TINTO ALCAN INTERNATIONAL LIMITEDMONTRÉAL QC H3A 3G2

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Garat, Michel Moirans, FR 12 133

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