Method of fabricating a filament-reinforced composite article

Details Method of fabricating a filament-reinforced composite article Method of fabricating a filament-reinforced composite article

1974-11-20

1977-03-08

Smith, Al Lawrence

Metal fusion bonding

Process

Plural joints

228193, 228234, 228263, 291914, 29195, 29197, B23K 2800

Patent

active

040108848

ABSTRACT:
A filament-reinforced composite article is fabricated from monolayer boron fiber tapes and laminates of titanium. The tapes which have the boron fibers attached to an aluminum foil are positioned in a multi-ply layup with interleaved titanium laminates in the form of foils or screening. The layup is subjected to heat and pressure in a diffusion bonding process to compact the layup materials and bond the fibers in the matrix of aluminum and titanium. The titanium in the matrix improves the impact load resistance of the article by improving ductility and impact strength.

REFERENCES:
patent: 3218704 (1965-11-01), Kraus et al.
patent: 3575783 (1971-04-01), Kreider
patent: 3699623 (1972-10-01), Kreider
patent: 3748721 (1973-07-01), Alexander
Garret et al. Broad Applications of Diffusion Bonding, NASA CR-409, Wash. D.C., 1966, pp. 177 and 162.
Niemann, J. T. and Garrett, "Eutectic Bonding of Boron-Aluminum Structural Components", 54th AWS Annual Meeting, Chicago, Ill., Apr. 2-6, 1973. Published in the Welding Journal Research Supplements: (Part I), Apr. 1974, pp. 175s-184s, and (Part II), Aug. 1974, pp. 351s-360s.
Broutman & Krock, Composite Materials, vol. IV, Metallic Matrix Materials, edited by Kreider, Academic Press, NY, 1974, pp. 420-421.

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