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:
Sep. 30, 2025
Filed:
Feb. 14, 2019
Clean Teq Holdings Limited, Notting Hill, AU;
Timothy J. Langan, Catonsville, MD (US);
Thomas Dorin, Yarraville, AU;
SRL Holding Company Pty Ltd, Melbourne, AU;
Abstract
Heat treatment of aluminum alloys containing Si with Sc additions improves mechanical properties of the alloys by the formation of Sc-containing dispersoids. The Al—Si—Sc alloys may include Zr or other refractory metals, and may also include Mg, Cu and/or Cr. Depending upon the cooling rate used during casting, at least some of the Sc-containing dispersoids may be present upon casting and cooling of the Al—Si alloy, in which case it may be desirable to reduce or eliminate coarsening of the as-cast dispersoids upon subsequent heat treatment. The subsequent heat treatment may also generate fresh Sc-containing dispersoids. Alternatively, the as-cast Al—Si alloy may not include Sc-containing dispersoids upon cooling, in which case the Sc-containing dispersoids may form during the heat treatment process.