Method of producing fiber-reinforced composite members

Details Method of producing fiber-reinforced composite members Method of producing fiber-reinforced composite members

1973-02-07

1976-02-03

Martin, William D.

Coating processes

Heat decomposition of applied coating or base material

Coating decomposed to form carbide or coating carbonized

81156, 264 29, 423447, B05D 302

Patent

active

039365352

ABSTRACT:
To produce heat-resistant carbon or graphite-fiber reinforced composite members having improved strength and uniformity, the fibers are coated with a dilute solution or emulsion of a hardenable resin, dried to remove the solvent, and laid out in porous layers. The layers are subsequently impregnated with tar pitch and heated to 900.degree.C so as to carbonize the resin and the tar pitch. The composite members, which consist of a carbon matrix with reinforcing fibers of carbon or graphite, are especially suited for components which are simultaneously stressed thermally and mechanically, such as heat shields, casting molds, crucibles and the like.

REFERENCES:
patent: 3367812 (1968-02-01), Watts
patent: 3462289 (1969-08-01), Rohl
patent: 3573086 (1971-03-01), Lambdin
patent: 3657061 (1972-04-01), Carlson et al.
patent: 3772115 (1973-11-01), Carlson et al.
patent: 3814642 (1974-06-01), Araki et al.

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