Reinforced carbon and graphite articles

Details Reinforced carbon and graphite articles Reinforced carbon and graphite articles

1972-01-03

1978-10-10

Wyche, Benjamin W.

192 clutches and power-stop control

Elements

Engaging surfaces

188251A, 427228, 428368, 428371, 428408, C23C 906, B44D 146, F16D 1360

Patent

active

041191897

ABSTRACT:
A reinforced carbon article which comprises a carbon fiber shape bonded by a carbon binder and having incorporated within said article a friction modifier, e.g., the in situ reaction product of carbon and a boron containing additive which comprises a material selected from the group consisting of boron, boron nitride, boron silicide and refractory metal borides; and a process of making such an article which comprises forming a carbon fiber shape, dispersing a boron containing additive within at least a portion of said carbon fiber shape, impregnating the carbon fiber shape with a carbonizable binder, and heating the shape to carbonize the binder and to form in situ the reaction product of carbon and the boron containing additive.

REFERENCES:
patent: 3174895 (1965-03-01), Gibson et al.
patent: 3416944 (1968-12-01), Pirrung
patent: 3421913 (1969-01-01), Falcettoni
patent: 3462289 (1969-08-01), Rolh et al.
patent: 3657061 (1972-04-01), Carlson
Carborundum, CARB-1-TEX, Bulletin 112, 6 pp., dated 1965.

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