The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2015
Filed:
Jun. 16, 2011
Terje Iveland, Sunndalsøra, NO;
Stig Brusethaug, Sunndalsøra, NO;
Petter Åsholt, Sunndalsøra, NO;
Bruno Barlas, St Cyr sur Loire, FR;
Denis Massinon, Liancourt, FR;
Philippe Meyer, Agnetz, FR;
Terje Iveland, Sunndalsøra, NO;
Stig Brusethaug, Sunndalsøra, NO;
Petter Åsholt, Sunndalsøra, NO;
Bruno Barlas, St Cyr sur Loire, FR;
Denis Massinon, Liancourt, FR;
Philippe Meyer, Agnetz, FR;
NORSK HYDRO ASA, Olso, NO;
MONTUPET S.A., Clichy Cedex, FR;
Abstract
The present invention relates to a castable heat resistant aluminum alloy for high temperature applications such as components in combustion engines, in particular for the manufacturing of highly loaded cylinder heads, the alloy comprises the following composition: .Si: 6.5-10 wt %.Mg: 0.25-0.35 wt %.Cu: 0.3-0.7 wt %.Hf: 0.025-0.55 wt % Optionally with the addition of: .Ti: 0-0.2 wt %.Zr: 0-0.3 wt %, the balance being made of Al and unavoidable impurities including Fe.