Superhard constructions & methods of making same

A super hard polycrystalline construction comprises a body of polycrystalline super hard material, said body having an exposed working surface. The body of polycrystalline super hard material comprises a first region adjacent the working surface and a second region adjacent the first region; the fir...

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Bibliographische Detailangaben
1. Verfasser:	Nedret Can
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A super hard polycrystalline construction comprises a body of polycrystalline super hard material, said body having an exposed working surface. The body of polycrystalline super hard material comprises a first region adjacent the working surface and a second region adjacent the first region; the first region being more thermally stable than the second region; and a plurality of apertures or channels, one or more of said apertures or channels extending from the exposed working surface of the body into the second region.