Welding process and component produced therefrom

Details Welding process and component produced therefrom Welding process and component produced therefrom

B - Operations, Transporting

23

P

B23P 15/14 (2006.01)

Patent

CA 2730818

A process of fabricating a rotating component and components formed thereby. The process includes fabricating preforms corresponding to portions of the component. Each preform has an interface surface at which the preforms can be joined to locate a first of the portions in a radially outward direction from a second of the portions. The preforms are then inertia welded together to form a profile having a solid- state weld joint containing a finer-grained material than other portions of the profile. The profile is then forged with dies to produce a forging. At least one of the dies has a recess into which the finer-grained material from the weld joint is expelled during forging to purge a joint region of the forging between the forging portions of the finer- grained material. The joint region contains grains distorted in an axial direction of the forging.

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