Rolls-royce Corporation

Charles Richard Carpenter

Daniel Clark

John Harold Boswell

Andrew Richard Kennedy

A method of forming a bonded assembly (). The method comprises: providing at least first and second parts () of an assembly () to be bonded; assembling the first and second parts () in a required relative position to define a bond interface region therebetween; sealing part way along an edge () of the bond interface region using laser beam welding to define a cavity between the first and second parts (); in a vacuum environment, sealing the remainder of the edge () of the bond interface region using electron beam welding to form a fluid tight seal around the cavity; and applying heat and pressure to an external surface of the cavity to diffusion bond the first and second parts () together.

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Leicester, United Kingdom

Charles Richard Carpenter