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。
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Year: 2007
Language: Chinese
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ESI Highly Cited Papers on the List: 0 Unfold All
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