Method of forming filament reinforced shaft

Details Method of forming filament reinforced shaft Method of forming filament reinforced shaft

1990-07-02

1991-08-27

Ramsey, Kenneth J.

Metal fusion bonding

Process

With shaping

294191, 228190, B23K 2014

Patent

active

050427105

ABSTRACT:
A method for forming a shaft of filament reinforced matrix metal is provided. The hollow shaft structure is made up of a number of layers of monotape which are assembled together and then HIPed to form a consolidated composite tubular shaft structure. The monotapes employed in forming the individual layers are prepared by plasma spray deposition of matrix metal onto and around an aligned set of reinforcing filaments. Following the plasma spray deposition of the matrix metal, the upper portion of the metal is removed by grinding or machining to increase the density of the monotape by removing the lens dense upper layer. The monotapes are assembled into the hollow shaft configuration by wrapping onto a shaft shaped mandrel in successive layers wound at a pitch to the axis of the mandrel. Consolidation of the multilayer wound structure is accomplished by HIPing at at least 900.degree. C. and at least 15 ksi for a period of more than 1 hour.

REFERENCES:
patent: 3900150 (1975-08-01), Delgrosso et al.
patent: 4010884 (1977-03-01), Rothman
patent: 4163380 (1979-08-01), Masoner
patent: 4805833 (1989-02-01), Seimers
patent: 4907736 (1990-03-01), Doble

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