Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Reexamination Certificate
2011-08-16
2011-08-16
Turner, Archene (Department: 1784)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
C428S408000, C428S698000
Reexamination Certificate
active
07998573
ABSTRACT:
Embodiments of the present invention relate to diamond-silicon carbide composites, superabrasive compacts including such diamond-silicon carbide composites, and methods of fabricating such diamond-silicon carbide composites and superabrasive compacts. In one embodiment, a superabrasive compact includes a substrate and a superabrasive table bonded to the substrate. The superabrasive table comprises diamond-silicon carbide composite including a matrix comprising nanometer-sized silicon carbide grains and micrometer-sized diamond grains dispersed through the matrix. In another embodiment, a method of fabricating a superabrasive compact is disclosed. An assembly comprising a mixture including diamond particles and silicon is formed. The silicon comprises amorphous silicon, crystalline silicon crystallized from amorphous silicon formed by a milling process, or combinations thereof. A substrate is positioned in proximity to the mixture. The assembly is subjected to heat and pressure to form a superabrasive compact comprising a superabrasive table bonded to the substrate. The superabrasive table comprises diamond-silicon carbide composite including diamond grains dispersed through a matrix of silicon carbide grains.
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Bertagnolli Kenneth E.
Dewberry Jim I.
Miess David P.
Qian Jiang
Vail Michael A.
Turner Archene
US Synthetic Corporation
Workman Nydegger
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