采用X射线衍射仪(XRD)、带有电子能谱仪(EDS)的扫描电子显微镜(SEM)等,研究了化学镀镍镁合金AZ61在NaCl溶液中的耐腐蚀性能.结果表明,化学镀镍在镁合金基体表面沉积了一层致密、均匀的镍磷合金镀层,依靠镍-磷合金镀层的耐腐蚀性能来保护镁合金基体.腐蚀形貌与腐蚀速率的测定结果具有一致性.经化学镀镍后,镁合金AZ61的耐腐蚀性能有明显提高.
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