采用脉冲电沉积法,在紫铜基体上制备了TiO2/Zn纳米复合镀层.考察了脉冲电流密度对复合镀层中TiO2质量分数的影响,分析了复合镀层的力学性能和摩擦学性能.结果表明:当脉冲电流密度达到2.5 A/cm2时,纳米复合镀层中TiO2的质量分数最大;当复合镀层中的TiO2质量分数在1.8%～2.8%范围内变化时,随着TiO2质量分数的增加,镀层的显微硬度增大,摩擦因数减小,耐磨性增强.
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