根据光学系统中铝合金、铍合金和无氧高导铜材料反射镜对镍-磷合金镀层的质量要求,在含30 g/L NiSO4·6H2O、10 g/LNaH2PO2·H2O,10 g/L CH3COONa、20 g/L C6H5Na3O7·2H2O、10～20 g/L稳定剂的体系中,于82～90℃、pH=4.4～4.8、装载量0.3～10.0 dm2/L的条件下,以5 μm/h的沉积速度在大口径反射镜表面沉积出无缺陷,结合力良好的优质镀层,镀层厚度为100 μm.分析了应用于反射镜的化学镀镍-磷合金工艺的特点,讨论了以提高镀层结合力、避免镀层表面缺陷为目的的化学镀镍-磷合金工艺及其质量控制方法,总结了生产过程实施监控时应注意的事项.
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