BIT BODY FORMED OF MULTIPLE MATRIX MATERIALS AND METHOD FOR MAKING THE SAME

Drill bit bodies are provided having one portion formed of one composition a nd a further portion formed of a different composition. The different composition s provide different functional properties to respective portions of the drill bit body . Methods for forming such drill bit bodies are also p...

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Bibliographische Detailangaben
1. Verfasser:	KEMBAIYAN, KUMAR T
Format:	Patent
Sprache:	eng ; fre
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:	Drill bit bodies are provided having one portion formed of one composition a nd a further portion formed of a different composition. The different composition s provide different functional properties to respective portions of the drill bit body . Methods for forming such drill bit bodies are also provided.