XU Xiaomei,CHEN Tongcai*,ZHANG Yuqing,et al.Effect of Oxidation Voltage on the Properties of Color Anodic Oxidation Film of Titanium Alloy[J].Plating & Finishing,2022,(6):1-6.[doi:10.3969/j.issn.1001-3849.2022.06.001]
氧化电压对钛合金彩色阳极氧化膜性能的影响
- Title:
- Effect of Oxidation Voltage on the Properties of Color Anodic Oxidation Film of Titanium Alloy
- Keywords:
- anodic oxidation of titanium alloy; voltage; color; compactness
- 分类号:
- TG174.451
- 文献标志码:
- A
- 摘要:
- 为了研究氧化电压对钛合金阳极氧化膜颜色及性能的影响,采用硫酸 - 磷酸的复合电解液体系和单脉冲供电方式,在不同氧化电压下制备了阳极氧化膜。利用场发射扫描电镜观察氧化膜的微观形貌变化,采用显微硬度计、表面粗糙度仪、接触角测量仪分别测量膜层的硬度、粗糙度及接触角,利用电化学工作站分析各膜层的耐蚀性能。结果表明:氧化膜的颜色在 45 V 时为黄色, 50 ~ 60 V 时为紫色, 70 V 时为浅蓝色, 75 V 时为绿色。 当氧化电压为 65 V 时,氧化膜为蓝色, 氧化膜粗糙度为 0.939 μ m ,硬度为 361.6 HV 0.2 ,接触角为 89.2 ° ,自腐蚀电流密度为 2 .004×10 -7 A·cm -2 ,耐蚀性较好。
- Abstract:
- : In order to study the effect of oxidation voltage on the color and performance of anodic oxide film of titanium alloy , the anodic oxidation film was prepared using sulfuric acid-phosphoric acid composite electrolyte system and single-pulse power supply under different oxidation voltages. The changes of microscopic morphology of the oxide films were observed by the field emission scanning electron microscope , the hardness , roughness and contact angle of the films were measured by microhardness tester , surface roughness tester and contact angle measuring instrument , and the corrosion resistance of each film was analyzed by electrochemical workstation. The results showed that the color of oxide film was yellow at 45 V , purple at 50~60 V , light blue at 70 V and green at 75 V. When the oxidation voltage was 65 V , the oxide film was blue , the roughness of the oxide film was 0.939 μ m , t he hardness was 361.6 HV 0.2 , the contact angle was 89.2 ° , the corrosion current density wa s 2.004×10 -7 A?span>· cm -2 , and the corrosion resistance was good.
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备注/Memo
收稿日期: 2021-01-04 修回日期: 2021-04-10 作者简介: 徐晓梅( 1994 —),女,硕士在读, email : 1303592883@qq.com 通信作者: 陈同彩( 1964 —),男,硕士,高级工程师,主要研究方向:材料科学。 email : 71370740@qq.com