采用复合络合剂,在2cr12不锈钢上直接化学镀Ni-W-P,并对镀层的形貌、成分、组织结构及性能进行了检测和分析.结果表明:不锈钢经过合适的前处理后,得到的镀层光亮、均匀,表面呈胞状组织;在400℃热处理后,开始析出Ni3P相;镀态层的硬度HK值由8186 MPa提高至11850 MPa;结合力、耐磨性也有明显增强.
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