Diamond reinforced composite material

Details Diamond reinforced composite material Diamond reinforced composite material

1995-12-08

1997-10-14

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524496, 523204, 523207, 523215, 523222, 428375, 428378, 428380, 428400, 428408, 428607, 427122, 427249, C08K 304, C23C 1638, B32B 500

Patent

active

056773722

ABSTRACT:
An improved adhesion or bonding between diamond fibers and a matrix of at least one organic polymer such as a resin is achieved in a composite material reinforced with vapor-deposited diamond. To improve bonding to the matrix, hydrogen is removed from the surface of vapor-deposited diamond fiber. This can be achieved by heating the diamond under an oxidative atmosphere at a temperature of about 150.degree. C. to about 800.degree. C., or under a non-oxidative atmosphere at a temperature of about 800.degree. C. to about 1500.degree. C. The surface of the vapor-deposited diamond, which contains not more than about 1.times.10.sup.15 /cm.sup.2 of hydrogen atoms, is bonded to the matrix of resin for example with sufficient strength. To further improve bonding, diamond doped with B or N is employed as the reinforcing material or at least a surface layer thereof.

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