LI Tingqu *,LIU Xiangling,LIU Wenyi.Study on Microarc Oxidation Coloring and Properties of 6061 Aluminum Alloy with Different Duty Ratios[J].Plating & Finishing,2022,(9):20-24.[doi:10.3969/j.issn.1001-3849.2022.09.004]
不同占空比对6061铝合金微弧氧化着色及性能的影响研究
- Title:
- Study on Microarc Oxidation Coloring and Properties of 6061 Aluminum Alloy with Different Duty Ratios
- Keywords:
- microarc oxidation ; aluminum alloy ; duty ratio ; colorant
- 分类号:
- TG174
- 文献标志码:
- A
- 摘要:
- 采用稳压微弧氧化技术对商用 6061 铝合金板材进行了表面处理,并通过采用 X 射线衍射、扫描电镜、能谱等测试手段对材料的物相结构、微观形貌、元素组成和显微硬度等进行分析。结果表明,在电解液主要成分为 15 g/L Na 2 SiO 3 ,着色剂为 13.2 g/L Na 2 WO 4 ,氧化施加正向电压 450 V ,反向电压 200 V ,频率 250 Hz 时,调整占空比可以制备出外观质量良好棕色微弧氧化膜层。当占空比为 60% 时,制备的深棕色膜层更加致密,显微硬度为基体的 8.4 倍。
- Abstract:
- : The surface of commercial 6061 aluminum alloy plate was treated by voltage stabilized microarc oxidation technology , and the phase structure , micro morphology , element composition and microhardness of the material were analyzed by means of X-ray diffraction , scanning electron microscope and energy spectrum. The results show that when the main component of electrolyte is 15 g/L Na 2 SiO 3 , the colorant is 13.2 g/L Na 2 WO 4 , the forward voltage is 450 V , the reverse voltage is 200 V and the frequency is 250 Hz , brown microarc oxidation film with good appearance quality can be prepared by adjusting the duty ratio. When the duty ratio is 60% , the prepared dark brown film is more compact , and the microhardness is 8.4 times of that of the matrix.
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备注/Memo
收稿日期: 2022-02-24 修回日期: 2022-03-27 * 通信作者: 李廷取( 1982 ―),男,博士,副教授, email : ltq2000@163.com 基金项目: 吉林省教育厅“十三五”科学技术项目( JJKH20180557KJ )