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.

Date of Patent:
Aug. 06, 2024

Filed:

Jun. 17, 2022
Applicant:

Rtx Corporation, Farmington, CT (US);

Inventors:

Brian T. Hazel, Avon, CT (US);

John R. Farris, Lebanon, CT (US);

Matthew A. Devore, Rocky Hill, CT (US);

John A. Sharon, West Hartford, CT (US);

James F. Wiedenhoefer, Windsor, CT (US);

Paul M. Lutjen, Kennebunkport, ME (US);

Mario P. Bochiechio, Vernon, CT (US);

Assignee:

RTX CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/00 (2006.01); B23K 20/00 (2006.01); B23K 20/02 (2006.01); F01D 11/10 (2006.01); B23K 101/00 (2006.01); B23K 103/08 (2006.01);
U.S. Cl.
CPC ...
F01D 25/005 (2013.01); B23K 20/002 (2013.01); B23K 20/02 (2013.01); F01D 11/10 (2013.01); B23K 2101/001 (2018.08); B23K 2103/08 (2018.08); F05D 2230/236 (2013.01); F05D 2240/55 (2013.01); F05D 2300/175 (2013.01);
Abstract

An article comprises a first portion comprising a first alloy and a second portion comprising a second alloy that is metallurgically bonded to the first portion to form a monolithic article. The metallurgical bonding involves the application of an electrical current across the bond line and results in a retention of a metallurgical structure of the first portion and of a metallurgical structure of the second portion immediately adjacent to a bond line. The first portion has a first dominant property and the second portion has a second dominant property. The first dominant property is different from the second dominant property. The first dominant property is selected to handle operating conditions at a first position of the article where the first portion is located and the second dominant property is selected to handle operating conditions at a second position of the article where the second portion is located.


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