＜正＞Ni-TiN nanocomposite coatings were prepared by ultrasonic electrodeposition,and the effects of the surfactants on the coatings were investigated and the microstructure and micro rigidity of the coatings were characterized.Samples were also submitted to corrosion tests in 3% NaCl solution.The results showed that the surfactants had great effects on Ni-TiN nanocomposite coatings. The composite coatings prepared by ultrasonic electrodeposition with the surfactants were better than that of the coatings prepared without surfactants.The favorable properties of Ni-TiN nanocompesite coatings were prepared with the mixing of the non-ion and positive ion surfactants.The concentration of the mixing was 80 mg/L,and the ratio of the non-ion and positive ion surfactants was 1:2.
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