Electro-forming Process of Ni-CeO<sub>2</sub> Nano-composites

Sun Yong; Xue Yujun; Li Jishun; Wu Mingyuan

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Electro-forming Process of Ni-CeO₂ Nano-composites
Issue 11, Pages: 730-732(2006)
Published： 2006 ，
DOI：

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[1]孙勇,薛玉君,李济顺,吴明远.电铸Ni-CeO_2纳米复合材料的工艺研究[J].特种铸造及有色合金,2006(11):730-732+679.

Sun Yong, Xue Yujun, Li Jishun, et al. Electro-forming Process of Ni-CeO₂ Nano-composites. [J]. Special Casting & Nonferrous Alloys (11):730-732(2006)
[1]孙勇,薛玉君,李济顺,吴明远.电铸Ni-CeO_2纳米复合材料的工艺研究[J].特种铸造及有色合金,2006(11):730-732+679. DOI：

Sun Yong, Xue Yujun, Li Jishun, et al. Electro-forming Process of Ni-CeO₂ Nano-composites. [J]. Special Casting & Nonferrous Alloys (11):730-732(2006) DOI：

摘要

用电铸法制备了Ni-CeO2纳米复合材料

考察了镀液中CeO2纳米颗粒浓度、阴极电流密度、镀液温度对纳米复合材料中CeO2含量及纳米复合材料显微硬度的影响

对纳米复合材料的表面形貌进行了分析。结果表明

制备Ni-CeO2纳米复合材料的最佳工艺条件为纳米颗粒添加量为40g/L

阴极电流密度为4A/dm2

镀液温度为55℃

pH值为3.8;在最佳工艺条件下可得到CeO2质量分数为8.5%的Ni-CeO2纳米复合材料

其表面光滑平整、组织均匀致密

且显微硬度HV达到598

较纯镍有显著提高。

Abstract

Ni-CeO

nano-composites were prepared by an electro-forming method. Effects of CeO

particle concentration in electrolyte

cathode current density and electrolyte temperature on CeO

content in the composites and the micro-hardness of the composites have been investigated

and the surface morphology of the nano-composites has been observed. It is found that the optimized processing parameters for preparing Ni-CeO

nano-composites can be obtained including CeO

particle concentration of 40 g/L

cathode current density of 4 A/dm

and electrolyte temperature of 55 ℃ as well as pH value of 3.8. The nano-composites containing 8.5% CeO

content were prepared with the optimized processing parameters

which have smooth surface morphology and compact microstructure

and exhibit higher micro-hardness than those of the pure Ti

reaching 598 HV.

关键词

电铸纳米复合材料CeO2纳米颗粒

Keywords

Electro-formingNano-compositesCeO2Nano-particle

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Electro-forming Process of Ni-CeO2 Nano-composites

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摘要

Abstract

关键词

Keywords

references

Electro-forming Process of Ni-CeO₂ Nano-composites