Method of producing a circular fibre-reinforced metal article, a

Details Method of producing a circular fibre-reinforced metal article, a Method of producing a circular fibre-reinforced metal article, a

1994-12-08

1996-10-08

Heinrich, Samuel M.

Metal fusion bonding

Process

Plural joints

228174, 228265, B23K 2000, B21K 300

Patent

active

055622453

ABSTRACT:
A method of producing a circular metal article reinforced by fibres in selected parts of its cross-section is described in which a metal blank of the article is formed and provided with at least one annular groove opening in the axial direction, preforms of reinforcing fibre and filler metal are placed in the groove which is then closed by a metal plug, and the assembly is isothermally forged to produce the article in a single forging step which serves to compress the preforms, weld the assembly together, and shape the article. Such articles may be used for machining high performance rotors for turbojet engines. Apparatus for use in the method is also described.

REFERENCES:
patent: 4012824 (1977-03-01), Dawihl et al.
patent: 4572271 (1986-02-01), Nakashima et al.
patent: 5184769 (1993-02-01), Moracz et al.
patent: 5213252 (1993-05-01), Eylon
patent: 5337940 (1994-08-01), Woods et al.

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