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. 11, 2015
Filed:
Sep. 01, 2011
Applicants:
Joseph Parkos, Jr., East Haddam, CT (US);
Curtis H. Riewe, Manchester, CT (US);
Thomas M. Morin, Terryville, CT (US);
Brian S. Tryon, Glastonbury, CT (US);
Inventors:
Joseph Parkos, Jr., East Haddam, CT (US);
Curtis H. Riewe, Manchester, CT (US);
Thomas M. Morin, Terryville, CT (US);
Brian S. Tryon, Glastonbury, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24C 1/08 (2006.01); C23F 1/44 (2006.01); F01D 5/00 (2006.01); C23F 1/28 (2006.01);
U.S. Cl.
CPC ...
C23F 1/44 (2013.01); B24C 1/086 (2013.01); C23F 1/28 (2013.01); F01D 5/005 (2013.01);
Abstract
A method of stripping gamma/gamma prime polycrystalline alloy bond coats from single crystal gamma/gamma prime nickel based superalloys, including the steps of grit blasting followed by the use of hydrochloric acid solutions, followed by rinsing. The cycle may be repeated several times, with visual inspection between cycles.