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Fe-Ni-P合金电沉积机理

Mechanism of Electro-Deposition of Fe-Ni-P Alloy
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摘要 采用阴极极化技术和循环伏安技术,研究Fe-Ni-P合金的电化学特性.实验结果表明,Fe-Ni-P合金较Fe-Ni合金有较负的沉积电位,随着镀液pH值的增加,Fe-Ni-P合金的阴极沉积反应速度变小.采用恒电位阶跃技术研究Fe-Ni-P合金的电结晶行为,结果表明,在玻碳电极上,该合金的电结晶过程遵循瞬时成核三维生长模式,且随着过电位的增加,电极表面晶核数增多. The electrochemical properties of Fe-Ni-P alloy were measured by cathodic polarization and cyclic voltammetry. The results show that the plating potential of Fe-Ni-P alloy is more negative than that of Ni-Fe alloy. The electrocrystallization of Fe-Ni-P alloy on vitreous carbon with methods of Ⅰ-t transient curve was studied. It＇s indicated that the electro-crystallization of Fe-Ni-P alloy follows the mechanism of instantaneous nucleation and three dimensional growth, and with the increase of plating potential the number of crystal nucleus increases.
作者 王森林 陈志明
机构地区 华侨大学材料工程与工程学院
出处 《华侨大学学报（自然科学版）》 CAS 北大核心 2007年第3期275-277,共3页 Journal of Huaqiao University(Natural Science)
基金 福建省自然科学基金资助项目(E0210020)
关键词 Fe-Ni-P合金 电沉积 成核机理 沉积行为 Fe-Ni-P alloy electro-deposition mechanism of nucleation behavior of deposition
分类号 O743.2 [理学—晶体学] O646.54 [理学—物理化学]
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参考文献6

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二级参考文献9

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共引文献3

华侨大学学报（自然科学版）
2007年 第3期

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