Metal fusion bonding – Process – Plural joints
Patent
1993-04-09
1994-03-29
Bradley, Paula A.
Metal fusion bonding
Process
Plural joints
228193, 29889, B23K 2000, B23K 2024
Patent
active
052977234
ABSTRACT:
A method of making a titanium fan disc for a gas turbine engine comprises the steps of providing a pair of identical forged titanium cylinders each having a central bore and a flat end surface at right angles to its central axis, preparing the flat end surface of each cylinder to a high degree of smoothness, abutting the prepared surfaces of the cylinders one against the other in axial alignment, removing air from between said surfaces, and diffusion bonding the cylinders end-to-end by hot isostatic pressing to form the disc.
REFERENCES:
patent: 4152816 (1979-05-01), Ewing et al.
patent: 4581300 (1986-04-01), Hoppin, III et al.
patent: 4787821 (1988-11-01), Cruse et al.
patent: 5009359 (1991-04-01), Stover et al.
patent: 5161950 (1992-11-01), Krueger et al.
Benn Bryan L.
Boardman James E.
Pratt Anthony L.
Pratt Arnold J. S.
Bradley Paula A.
Elpel Jeanne M.
Rolls-Royce plc
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