利用双向脉冲复合电沉积技术制备Ni/Al2O3复合镀层,并用X射线衍射(XRD)、扫描电镜/能谱(SEM/EDS)及性能测试等方法研究了复合镀层的组织与硬度.结果表明:采用双向脉冲电沉积技术可获得结晶细密且表面光滑平整的Ni/Al2O3复合镀层.在本试验范围内,镀层的硬度随着Al2O3含量的增加而升高.
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