	US 12,240,053 B2
	Friction welding of cladded cemented or sintered carbides to a structural element
Hugh Roth, Edmonton (CA)
Assigned to SYNCRUDE CANADA LTD., Calgary (CA)
Filed by SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project as such owners exist now and in the future, Calgary (CA)
Filed on Mar. 2, 2023, as Appl. No. 18/177,632.
Claims priority of provisional application 63/317,125, filed on Mar. 7, 2022.
Prior Publication US 2023/0278133 A1, Sep. 7, 2023
Int. Cl. B23K 20/00 (2006.01); B23K 20/02 (2006.01); B23K 20/12 (2006.01); B23K 101/20 (2006.01); B23K 103/00 (2006.01); B23K 103/08 (2006.01)

CPC B23K 20/12 (2013.01) [B23K 20/02 (2013.01); B23K 2101/20 (2018.08); B23K 2103/08 (2018.08); B23K 2103/52 (2018.08)]

14 Claims

1. A method for bonding a cemented (or sintered) carbide element to a structural component, comprising:

cladding at least one surface of the cemented (or sintered) carbide element with a metal alloy using a diffusion bonding process, and providing an interface layer between the cemented (or sintered) carbide and the metal alloy; and

friction welding a cladded surface of the cemented (or sintered) carbide element to the structural component.