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The two different morphologies of ZnO nanoparticles and ZnO whiskers were used as the friction modifiers to improve the tribological behavior of the polyurethane (PU) composite coating. The tribological behavior of the PU coatings filled with different morphologies nanometer ZnO was investigated using a ring-on-block wear tests under dry friction condition, and the worn surfaces and the transfer films...
The carbon fibers (CF) were pre-treated in two different ways: no pre-treatment, and activation in HNO 3 plus application of toluene-2,4-diisocyanate (TDI). Carbon fibers have been introduced into polyurethane (PU) composite coatings. The tribological behaviors of the polyurethane composite coating filled with CF or TDI-modified CF (TDI-CF) were studied using a ring-on-block wear tester under...
The pure and air-plasma treated Nomex fabric was used to prepare Nomex fabric composites (NFC) by dip-coating in a phenolic resin and the relative mass content of Nomex fabric in the Nomex fabric composites is 65%. The friction coefficient, wear rate and the contact temperature of the Nomex fabric composites were evaluated with a Xuanwu-III high temperature friction and wear tester in a dry sliding...
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