Features of Sliding Friction on Thin-Film Mo-S-C Coatings Prepared by Pulsed Laser Deposition

摘要

To obtain Mo-S-C thin-film coatings on steel substrates with varying structural and chemical states, pulsed laser codeposition method was used at room temperature, including the first ever use of reactive codeposition of Mo and C in H2S. The conditions are determined for obtaining sufficiently smooth layers with optimal local packing of atoms in amorphous MoSx and diamond-like carbon nanophases, which yielded relatively high wear resistance and a low sliding friction coefficient (similar to 0.1) in air without a long running-in phase.