可溶性阳极电刷镀镍镀层的纳米晶结构及其热稳定性Nanostructure and the thermal stability of nickel coating synthesized by brush plating with soluble anode
戴品强,洪春福,项忠楠,陈晓文
摘要(Abstract):
采用可溶性阳极电刷镀制备镍镀层,XRD分析和TEM观察结果表明镀层为纳米晶结构,晶粒尺寸约20nm,具有(111)择优取向。镀镍层硬度随电刷镀电压和镀液温度的提高而增加,在一定值时达到最大值,然后随电压和镀液温度的继续提高而降低。而阴-阳极相对运动速度影响较小。低温退火时镀层的硬度随加热温度的提高而升高,300℃时达到最大值,然后随温度的升高而降低。可溶性阳极电刷镀纳米晶镍的热稳定性明显高于晶粒尺寸相近的槽镀纳米晶镍,对其原因进行初步探讨。
关键词(KeyWords): 纳米晶镍;电刷镀;热稳定性
基金项目(Foundation): 福建省科技计划重点项目(2006H0020);; 福建省自然科学基金项目(E0410011)
作者(Author): 戴品强,洪春福,项忠楠,陈晓文
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