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镀液组成对Ni-W合金电沉积的影响
Effect of Electrolyte Composition on Electrodeposition of Ni-W Alloy

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镀液组成对Ni-W合金电沉积的影响.pdf (353.4Kb)
Date
1999
Author
杨防祖
曹刚敏
郑雪清
许书楷
周绍民
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  • 化学化工-已发表论文 [14237]
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Abstract
采用电化学、分光光度、X 射线衍射和金相显微技术等方法研究nI-W 合金电沉积电流效率、沉积层的组成、结构和表面形态。结果表明,随着镀液中钨酸钠浓度提高,合金沉积层中的W 含量变化不大,沉积电流效率提高;形成置换固溶体的合金沉积层X 射线衍射(Xrd)峰强度降低,趋于矮胖,2θ向低角度偏移;引起(111)晶面间距、晶胞参数和晶格畸变的增大,而显微晶粒尺寸减小;合金沉积层的电结晶生长形态逐渐呈均匀排列的团粒状。
 
The effects of sodium tungstate contents on the current efficiency, composition, structure and morphology of Ni\|W alloy electrodeposit obtained in citrate bath were studied by electrochemistry, spectrophotometry, X\|ray diffraction and metallographic methods.It was shown that by the increase of sodium tungstate content in electrolyte, W content in the electrodeposit tended to a slightly change, current efficiency to raise and XRD peak intensity to decrease.The morphology of the deposit assumed even arranged granular structure.
 
Citation
材料保护,1999,(8):5-7+3
URI
https://dspace.xmu.edu.cn/handle/2288/107664

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