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:
Aug. 03, 1976
Filed:
Aug. 14, 1974
Applicant:
Inventors:
Assignee:
Creusot-Loire, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148162 ; 75171 ; 148 325 ;
Abstract
Method of preparation of an alloy comprising the steps of preparing a nickel-iron-chromium based alloy, placing the alloy in solution at temperatures between 925.degree.C and 1060.degree.C, followed by a quick cooling, aging the alloy at a first level of temperature and exposure time to obtain a precipitation of .gamma.' phase prior to a precipitation of a .gamma.' phase and reducing the temperature to a second level of at least 700.degree.C.