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SME MR910220
- The Use Of Polycrystalline Diamond (Pcd) Drilling Compacts As Bearing Components In Downhole Drilling Motors
- standard by Society of Manufacturing Engineers, 06/01/1991
- Publisher: SME
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DIAMOND IS USED WIDELY FOR THE POLISHING, GRINDING, AND CUTTING OF MATERIALS BECAUSE OF ITS HIGH HARDNESS AND WEAR RESISTANCE. HOWEVER, THERE ARE RELATIVELY FEW CURRENT APPLICATIONS WHERE THE OTHER UNIQUE PROPERTIES OF POLYCRYSTALLINE DIAMOND (PCD) ARE UTILIZED FOR SLIDING WEAR APPLICATIONS. THE RESULTS OF SLIDING WEAR TESTS PERFORMED ON PCD AND OTHER BEARING MATERIALS ARE PRESENTED. THE CURRENT USE OF PCD IN A DOWNHOLE MUD MOTOR THRUST BEARING APPLICATION IS COVERED, SHOWING THE EXTENDED LIFE WHICH IS ATTRIBUTED TO THE PCD. OTHER APPLICATIONS ARE BRIEFLY PROPOSED AND DISCUSSED.
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