Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material
Patent
1990-08-30
1992-07-07
Lewis, Michael
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By mechanically introducing gas into material
264 60, 423446, C04B 3556
Patent
active
051280809
ABSTRACT:
A method is shown for forming a diamond impregnated carbide containing dispersed diamond crystals, the crystals being formed via in-situ conversion of graphite to diamond. Graphite particles are blended with tungsten carbide power and a binder containing elemental powders known to be diamond catalyst. After blending, the powder is pressed into a green body of a desired shaped and sintered. After sintering, the body is loaded into a high temperature and pressure apparatus and exposed to conditions sufficient to convert the graphite to diamond.
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Hurst Timothy W.
Jurewicz Stephen R.
Gunter Jr. Charles D.
Hendrickson Stuart L.
Hughes Tool Company
Lewis Michael
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