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Effect of surface microtexturing on seawater-lubricated contacts under starved and fully-flooded conditions
Tribology International ( IF 3.517 ) Pub Date : 2020-03-27 , DOI: 10.1016/j.triboint.2020.106339
Reza Gheisari; Andreas A. Polycarpou

Microtexturing has been implemented to analyze its efficacy in improving the tribological performance of polymeric materials for potential marine applications. Textured and untextured pins were fabricated using aromatic thermosetting copolyester (ATSP) and tested against a copper alloy. Experiments were conducted under both starved and fully flooded (submerged) conditions. Constant pressure experiments were applied at a wide range of velocities (0.008–1.518 m/s) under both lubrication conditions. It was found that, microtexturing could effectively reduce the friction coefficient under both starved (up to 26%) and submerged lubrications (up to 35%), depending on the sliding velocity. Moreover, texturing reduces oxidation of the metallic countersurface by up to 50%.
更新日期:2020-03-28

 

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