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Solid lubricating materials are necessary for development of new generation gas turbine engines. Nickel-based self-lubricating composites with graphite and molybdenum disulfide as lubricant were prepared by powder metallurgy (P/M) method. Their tribological properties were tested by a MG-2000 high-temperature tribometer from room temperature to 600°C. The structure of the composite was analyzed by...
The composites of Ni–Cr–W–Al–Ti–MoS 2 with different adding amount of molybdenum disulfide (6–20wt.%) were prepared by powder metallurgy (P/M) method. Their mechanical properties and tribological properties from room temperature to 600°C were tested by a pin-on-disk tribometer. The effects of amounts of molybdenum disulfide, temperature, load, and speed on the friction and wear properties...
PS304 and Korolon™ 1350A foil bearing coatings were evaluated in startup/shutdown testing of compliant thrust pads against thrust runner disks. Tests were conducted at 540°C, with pads loaded at a constant 3.44kPa pressure while disk speed cycled between 0 and 19m/s. As opposed to the case of uncoated Inconel X750 pads against uncoated Inconel 718 disks, PS304 disk coatings allowed hydrodynamic conditions...
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