Methods for manufacturing ultrahard compacts

Details Methods for manufacturing ultrahard compacts Methods for manufacturing ultrahard compacts

2011-05-31

2011-05-31

Turner, Archene (Department: 1784)

Stock material or miscellaneous articles

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

C175S374000, C175S426000, C175S428000, C419S018000, C428S157000, C428S161000, C428S323000, C428S332000, C428S698000

Reexamination Certificate

active

07951455

ABSTRACT:
A method for manufacturing an ultrahard compact includes assembling a mass of ultrahard material with a mass of substrate material such that the mass of ultrahard material extends radially outward a greater extent than the substrate material to compensate for a difference in the radial shrinkage of the ultrahard material compared to the substrate material during a sintering process. The method may further includes subjecting the assembled compact to a high pressure high temperature process mat results in the forming of an ultrahard compact including an ultrahard layer integrally bonded with a substrate.

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