为了改善20钢管线的耐蚀阻垢性能,制备了Ni-P-Nd合金化学镀层.利用扫描电子显微镜、X射线衍射仪、显微硬度计和静态压入仪分析和评价了镀层的形态、结构、成分、硬度及韧性；利用球-盘磨损试验机研究了镀层的耐磨性能；通过电化学极化曲线、交流阻抗谱测评了镀层的耐蚀性能；从接触角、表面自由能方面探讨了镀层的表面阻垢特性.结果表明,稀土Nd含量对化学镀Ni-P合金层的耐蚀性能及接触角影响显著:0.06 mmol/L Nd时镀层的耐蚀性最佳,表面能较小,硬度和耐磨性略有下降,但其阻垢性能有显著提高.
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