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-βSiC纳米颗粒对Ni-Co共电沉积合金结构和性能的影响 被引量：2

Influence of-SiC Nanoparticles on the Structure and Property of the Electrodeposited Ni-Co Alloy
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摘要 采用复合电沉积方法在Ni基体上制备了(Ni-Co)-SiC纳米复合镀层,该镀层的组织结构与电沉积Ni-Co合金(晶粒尺寸:110 nm)镀层不同,由Ni-Co固溶体基体(晶粒尺寸:50 nm)和均匀分布其中的SiC纳米颗粒(晶粒尺寸:45 nm)组成。SiC纳米颗粒的加入大大细化了镀层的组织,增加了镀层的显微硬度.电化学实验表明:SiC纳米颗粒使金属还原电位发生正移,降低了Ni-Co合金镀液的极化作用. （Ni-Co）-SiC nanocomposite film was fabricated on pure Ni substrate by co-electrodeposition of Ni-Co alloy base（average grain size：50nm） with SiC nanoparticles（average size：45nm）.Compared with electrodeposited Ni-Co alloy film using the same bath and processing parameters,the（Ni-Co）-SiC nanocomposite film exhibited a higher microhardness,due to the addition of SiC nanoparticles refine the grain size of the Ni-Co alloy substrate.Meanwhile,a modified cathodic polarization curve with a positive shift in reduction potential was observed.
作者 杨秀英 彭晓 王福会
机构地区 沈阳理工大学应用技术学院 中国科学院金属研究所腐蚀与防护国家重点实验室
出处 《沈阳理工大学学报》 CAS 2011年第2期49-51,60,共4页 Journal of Shenyang Ligong University
关键词 共电沉积 NiCo-SiC纳米复合镀层 硬度 极化曲线 Co-electrodeposition （Ni-Co）-SiC nanocomposite hardness polarization curve
分类号 TG174 [金属学及工艺—金属表面处理]
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参考文献12

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沈阳理工大学学报
2011年 第2期

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