为进一步了解各因素对复合镀镍-金刚石的影响,采用正交试验方法对镍.金刚石复合电镀工艺进行了研究,探讨了金刚石浓度、分散剂用量、电流密度、搅拌速度、超声频率对镀层中金刚石含量、镀层显微硬度和厚度的影响,确定了最佳工艺条件,并利用扫描电镜、能谱仪和硬度测试仪测试了最佳工艺所得镀层的形貌和性能。结果表明:50g/L金刚石,8%分散剂,电流密度8A/dm^2搅拌速度70r/min和超声频率80kHz下,所得镀层中金刚石的平均含量可达63.13%,镀层硬度可达1927HV。
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