引用本文:吴玉程,舒 霞,解 挺,李广海,张立德.Ni-W,Ni-Fe合金纳米晶涂层电沉积与性能研究[J].中国表面工程,2005,(3):1~6,11
.Investigation on Electrodeposition and Properties of Ni-W, Ni-Fe Alloy Nanocrystalline Coatings[J].China Surface Engineering,2005,(3):1~6,11
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Ni-W,Ni-Fe合金纳米晶涂层电沉积与性能研究
吴玉程1,2 ，舒 霞1，解 挺1，李广海2 ，张立德2
作者单位
摘要:
采用电沉积技术制备了Ni?W, Ni?Fe合金纳米晶，选择主盐浓度、电流密度、镀液pH值、温度等4个工艺参数进行正交试验，通过极差分析，探索了多因素对沉积速率的影响，并对Ni?W, Ni?Fe合金纳米晶镀层的组织结构和显微硬度进行评价。结果表明：通过控制主盐浓度和操作条件，可以获得不同成分的Ni?W, Ni?Fe合金纳米晶；主盐钨酸纳对于Ni?W合金沉积影响最大，而硫酸铁对Ni?Fe合金沉积影响极小；两种合金纳米晶镀层具有较高的硬度，且表面光亮，与基体结合牢固。
关键词:  电沉积  Ni?W合金  Ni?Fe合金  纳米晶  评价
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基金项目:安徽省自然科学基金和合肥工业大学中青年创新群体基金(103-037006)
Investigation on Electrodeposition and Properties of Ni-W, Ni-Fe Alloy Nanocrystalline Coatings
WU Yu-cheng1,2, SHU Xia 1, XIE Ting1, LI Guang-hai 2, Zhang Li-de 2
Abstract:
In this paper, the electrodeposition technology was used to prepare a Ni?W and Ni?Fe alloy nanocrystalline coatings. The influence of multi-factors on the deposition rate was investigated. An orthogonal experiment was conducted using 4 key process parameters, including concentration of main salts, current density, pH value and operating temperature. The microstructure and microhardness of Ni-W and Ni?Fe alloy coatings were characterized. The experimental results showed that, the nanocrystalline of Ni?W and Ni?Fe alloy with different composition can be obtained by controlling main salts’ concentration and operating conditions. The concentration of sodium tungstate gave the most obvious effect on the deposition of Ni?W alloy nanocrystalline, while the concentration of iron sulfate had no remarkable effect on the deposition of Ni?Fe alloy nanocrystalline. The alloy nanocrystalline coatings exhibited the bright appearance with high surface quality and firm adherence to the substrate.
Key words:  electrodeposition  Ni?W alloy  Ni?Fe alloy  nanocrystalline  evaluation
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