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Dry sliding tests were performed on as-cast AZ31 magnesium alloy using a pin-on-disc configuration. Coefficients of friction and wear rates were measured within a load range of 5–360N and a sliding velocity range of 0.1–4.0m/s. Morphologies, compositions and hardness of worn surfaces were characterized by scanning electron microscope (SEM), energy dispersive X-ray spectrometer (EDS) and hardness tester...
TiN/TaN coatings, consisting of alternating nanoscaled TiN and TaN layers, were deposited using magnetron sputtering technology. The structure, hardness, tribological properties and wear mechanism were assessed using X-ray diffraction, microhardness, ball-on-disc testing and a 3-D surface profiler, respectively. The results showed that the TiN/TaN coatings exhibited a good modulation period and a...
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