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:
Dec. 15, 2009
Filed:
Mar. 15, 2005
Applicants:
Maxim Konter, Klingnau, CH;
Robert Baumann, Klingnau, CH;
John Fernihough, Ennetbaden, CH;
Inventors:
Assignee:
Alstom Technology Ltd, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22F 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is disclosed for recovering the properties of single crystal and directionally solidified Nickel based superalloys and articles made thereof, after use in a high temperature environment. The method comprises the steps of a stress relief treatment, a γ' rejuvenation heat treatment at a temperature below the γ′-solvus temperature (T) of the superalloy, a precipitation heat treatment and an aging heat treatment.