Metal fusion bonding – Process – Plural joints
Patent
1995-02-10
1996-08-13
Heinrich, Samuel M.
Metal fusion bonding
Process
Plural joints
228265, 228160, 228186, B23K 2000, B21K 300
Patent
active
055448054
ABSTRACT:
A method of producing a fibre-reinforced metallic circular part having a tral hollow, wherein the reinforcing fibres are disposed in the part in the vicinity of the hollow, comprises providing an annular metallic blank with a channel-sectioned groove opening towards the axis of the blank, placing uncompressed concentric layers of the reinforcing fibres and additional metal alternately in the groove followed by a more rigid expansion ring, evacuating the groove and sealing it by a deformable closure member which covers the groove, placing this assembly in an autoclave and subjecting it to a temperature and pressure sufficient to effect superplastic forging of the layers of additional metal whereby the fibre layers and the additional metal layers are compressed and welded to the blank in a single operation, and machining the resulting assembly to obtain the required shaped part.
REFERENCES:
patent: 4781669 (1988-11-01), Piramoon
patent: 5098011 (1992-03-01), Runyan
patent: 5184769 (1993-02-01), Moracz et al.
patent: 5289967 (1994-03-01), Bampton et al.
patent: 5470524 (1995-11-01), Krueger et al.
Alassoeur Philippe L. A.
Collot Andre C. F.
Guyonnet Xavier J. M. A.
Klein Gilles C. C.
Molliex Ludovic E. C.
Heinrich Samuel M.
Societe National d'Etude et de Construction de Moteurs d'Aviatio
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