Back to results
US 10,329,033 B2Granted
Cold spray method to join or in certain cases strengthen metals
AssigneeSikorsky Aircraft Corporation
InventorsJinKyu Choi, Aaron T. Nardi, Michael A. Klecka, Robert Guillemette, Jeffrey Michael Mendoza
Life of this patent
Estimating the term…
Abstract
A method of repairing or, in certain cases, strengthening a metallic substrate at a damage site is provided and includes removing material from the substrate around the damage site to form a recess, and cold spraying particulate material into the recess to form a bead of deposited material.
Claims13
A method of repairing or, in certain cases, strengthening a metallic substrate at a damage site, comprising:
- removing material from the substrate around the damage site to form a recess having chamfered edges and rounded corners;
- and
- cold spraying particulate material into the recess to form a bead of deposited material.
An in situ method of repairing or, in certain cases, strengthening an aluminum substrate at a damage site, comprising:
- removing material from the substrate around the damage site to form a tapered recess having chamfered edges and rounded corners and narrow and wide ends at first and second opposite sides of the substrate, respectively;
- clamping a doubler to the first side of the substrate at the damage site;
- and
- cold spraying particulate material into the recess against the doubler to form a bead.
1 more element
Dependencies are inferred from the claim text.