Diamond film and solid particle composite structure and methods

Details Diamond film and solid particle composite structure and methods Diamond film and solid particle composite structure and methods

1995-08-10

1997-05-27

Turner, A. A.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

428323, 4283044, 4283122, 4283179, 4283184, 4283191, B32B 900

Patent

active

056330880

ABSTRACT:
Porous and non-porous compositions include diamond particles, non-diamond particles, or mixtures of particles consolidated with polycrystalline diamond. The composite compositions of the present invention may be formed by a process which includes the steps of preforming the particles into a preform having a desired shape, and consolidating the preform with polycrystalline diamond. The polycrystalline diamond is preferably formed using CVD techniques including application of sufficient microwave energy to maintain the preform at a temperature of between about 670.degree. and 850.degree. C. The preform may be rotated during a portion of the deposition process.

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