POLYCRYSTALLINE DIAMOND ELEMENT

• Main Authors: LIVERSAGE JOHN HEWITT, NAIDOO KAVESHINI
• Format: Patent
• Language: English
• Published: 15.03.2012
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; GRINDING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PERFORMING OPERATIONS; POLISHING; TOOLS FOR GRINDING, BUFFING, OR SHARPENING; TRANSPORTING

An embodiment of a PCD insert comprises an embodiment of a PCD element joined to a cemented carbide substrate at an interface. The PCD element has internal diamond surfaces defining interstices between them. The PCD element further comprises a working surface and a low melting point region adjacent...