Abstract Recently it is emerging to a green electro-mechanical polishing method with ion-exchange resin solid particles saturating with acid electrolyte for metallic parts. The paper utilized this process for polishing Ti6Al4V alloy samples and investigated the changes of subsequent surface morphology and electrochemical property. Surface roughness of the polished specimens decreased apparently. However, there appeared local corrosion pits when the polishing time surpassed 1 h. Electrochemical analysis of polished samples shows that the corrosion potential shifts positively and then negatively and the polishing process can be regarded as a concurrent process of titanium oxide film growth, dissolution and wear in the conditions of the electric field.

中文翻译：

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离子交换树脂固体颗粒对钛合金机电抛光效果的研究

摘要 近来出现了一种用离子交换树脂固体颗粒浸渍酸性电解液对金属零件进行绿色机电抛光的方法。本文利用该工艺对Ti6Al4V合金样品进行抛光，并研究了后续表面形貌和电化学性能的变化。抛光后的试样表面粗糙度明显下降。然而，当抛光时间超过1小时时，出现了局部腐蚀坑。抛光样品的电化学分析表明，腐蚀电位先正移然后负移，抛光过程可以看作是电场条件下氧化钛膜生长、溶解和磨损的并发过程。