利用脉冲电沉积制备细晶镍镀层。研究了糖精对镍镀层的晶粒尺寸、表面形貌、晶体取向和硬度的影响。结果表明：加入糖精后，可获得晶粒尺寸小于30nm的镍镀层，晶体择优取向由（200）织构向（111）织构转变，镀层的耐蚀性得到提高；镀层的硬度与镍镀层的晶粒尺寸有关，晶粒尺寸较大时，服从Hall—Petch关系，晶粒尺寸较小时产生纳米效应，反Hall—Petch关系。
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