Abstract: In this novel PDC cutter, diamond powders of different composition and/or different grain size, are distributed, shaped, and compacted with a novel pressing tool, in multiple stages, spatially arranged into different regions of the PDC diamond body, then HPHT sintered to form one PDC body with spatially varying hardness, toughness and thermal resistance.
Type:
Application
Filed:
April 9, 2014
Publication date:
August 28, 2014
Applicant:
INTERNATIONAL DIAMOND SERVICES, INC.
Inventors:
Samer ALKHALAILEH, David BRIGGS, Jiang XIAOLE, Zhao YUNLIANG
Abstract: In this novel PDC cutter, diamond powders of different composition and/or different grain size, are distributed, shaped, and compacted with a novel pressing tool, in multiple stages, spatially arranged into different regions of the PDC diamond body, then HPHT sintered to form one PDC body with spatially varying hardness, toughness and thermal resistance more optimal for machining, drilling and/or cutting of hard rock and stone.
Type:
Application
Filed:
March 25, 2011
Publication date:
September 27, 2012
Applicant:
INTERNATIONAL DIAMOND SERVICES, INC.
Inventors:
David Briggs, Samer Alkhalaileh, Jiang Xiaole, Zhao Yunliang