铝硅合金螺旋振动抛光酸洗机理的探讨

张红艳; 李远才; 刘洋

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铝硅合金螺旋振动抛光酸洗机理的探讨
Mechanism of Acid Pickling for Al-Si Alloy before Spiral Vibration Polishing
2007年第2期页码：151-152
纸质出版日期： 2007 ，
DOI：

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[1]张红艳,李远才,刘洋.铝硅合金螺旋振动抛光酸洗机理的探讨[J].特种铸造及有色合金,2007(02):151-152+81.

Zhang Hongyan, Li Yuancai, Liu Yang. Mechanism of Acid Pickling for Al-Si Alloy before Spiral Vibration Polishing[J]. Special Casting & Nonferrous Alloys, 2007,(2):151-152.
[1]张红艳,李远才,刘洋.铝硅合金螺旋振动抛光酸洗机理的探讨[J].特种铸造及有色合金,2007(02):151-152+81. DOI：

Zhang Hongyan, Li Yuancai, Liu Yang. Mechanism of Acid Pickling for Al-Si Alloy before Spiral Vibration Polishing[J]. Special Casting & Nonferrous Alloys, 2007,(2):151-152. DOI：

摘要

采用X射线光电子能谱仪（XPS）和AFD-LI型接触与非接触两用轮廓检测仪对酸处理前后的铝硅合金试样进行对比分析

发现酸洗后试样表面大部分Si被溶解而生成了一层粗糙度更大的Al2O3薄膜

在随后的螺旋振动抛光中这层Al2O3氧化膜被磨削除去

从而得到了高光亮度的抛光表面。

Abstract

It is an necessary procedure to wash the workpiece with mixed acid before the spiral vibration polishing

however

the mechanism of acid pickling can not be well understood. The composition and roughness of the surface of aluminum alloy samples before and after acid pickling were examined by X-ray photoelectron spectroscopy （XPS） and contour measure apparatus. The results show that major Si phase in surface of aluminum alloy samples is dissolved by acid to form Al

film with higher roughness after acid pickling

which is cut by the succedent spiral vibration polishing to form a more smooth and bright polished surface.