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向镀液中加入氟化物,采用硫酸镍代替碳酸镍作为镍源,开发出一种镁合金化学镀镍新工艺.测定了该镀层中的磷含量及其耐蚀性、显微硬度、结合力,并用扫描电镜对其表面形貌进行了观察.结果表明,该镀层结合力合格,硬度远高于镁合金基体,且与普通化学镀层相当;该镀层属高磷镀层,耐蚀性较好,但与普通基体材料上的化学镀层相比要差一些.该工艺使镁合金化学镀成本大大降低,工艺得到简化.

参考文献

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