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RISResearch on the Tribological Properties and Wear Mechanism of Nitrided 38CrMoAl Steel/YL10.2 Cemented Carbide Tribo-Pair Under Impact-Sliding Drilling Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The all-metal positive displacement motor (AMPDM) is a key downhole power tool for deep well drilling, but its service life is severely limited by wear from the synergy of stator–rotor impact-sliding, abrasive ...
Particle Size Effect on Abrasive Wear Behavior of All-Metal Positive Displacement Motor and Abrasive Particles Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Downhole drilling operations expose all-metal positive displacement motors (AMPDM) to abrasives of different sizes, causing serious abrasive wear behavior. Controlling the entry of large particles into the motor by installing ...