[1]孙 林,殷 波,卞 钦.doi: 10.3969/j.issn.1001-3849.2026.05.011微弧氧化膜对铝锡合金焊缝的防护性能[J].电镀与精饰,2026,(05):73-79.
　SUN Lin,YIN Bo,BIAN Qin.Protective performance of micro-arc oxidation films on Al-Sn alloy welded zone[J].Plating & Finishing,2026,(05):73-79.
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doi: 10.3969/j.issn.1001-3849.2026.05.011微弧氧化膜对铝锡合金焊缝的防护性能()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2026年05
页码:
73-79
栏目:
出版日期:
2026-05-31

文章信息/Info

Title:
Protective performance of micro-arc oxidation films on Al-Sn alloy welded zone
作者:
孙 林1; 殷 波2; 卞 钦1
(1. 江苏联合职业技术学院宜兴分院 信息学院,江苏 宜兴 214206 ;2. 武汉科技大学 先进耐火材料全国重点实验室,湖北 武汉 430081)
Author(s):
SUN Lin1;  YIN Bo2;  BIAN Qin1
(1. Information Department, Jiangsu Union Technical Institute Yi Xing Campus, Yixing 214206, China; 2. State Key Laboratory of Advanced Refractories, Wuhan University of Science and Technology, Wuhan 430081, China)
关键词:
微弧氧化; 氟锆酸钾; 耐蚀性
Keywords:
micro-arc oxidation;  potassium fluorozirconate;  corrosion resistance
分类号:
TQ153.6；TG174.4
文献标志码:
A
摘要:
为了提高铝锡合金焊缝的耐蚀性以满足较为苛刻的使用要求，在添加氟锆酸钾的电解液中对铝锡合金焊缝进行微弧氧化。采用XRD、SEM、测厚仪和电化学工作站表征微弧氧化膜的物相、形貌、厚度和耐蚀性，进而评估其对铝锡合金焊缝的防护性能。结果表明：微弧氧化膜完全覆盖铝锡合金焊缝，添加氟锆酸钾的微弧氧化膜物相组成与常规微弧氧化膜不同，为α-Al2O3、γ-Al2O3和ZrO2。改变氟锆酸钾浓度不会影响微弧氧化膜的多孔结构，但添加适量氟锆酸钾能降低其孔隙率，明显改善其平整度和致密性，进而提高耐蚀性。添加12 g/L氟锆酸钾可以制备出较平整致密的微弧氧化膜，孔隙率仅为2.21%，厚度达14.2 μm。与常规微弧氧化膜相比，该微弧氧化膜具有更好的耐蚀性，对铝锡合金焊缝起到良好的防护作用。
Abstract:
In order to enhance the corrosion resistance of Al-Sn alloy weld zone to meet demanding application requirements, micro-arc oxidation was performed on the weld zone in an electrolyte containing potassium fluorozirconate. The phase, morphology, thickness and corrosion resistance of micro-arc oxidation film were characterized using XRD, SEM, thickness gauge and electrochemical workstation. Subsequently, the protective performance of the micro-arc oxidation film on Al-Sn alloy weld zone was evaluated. The results show that micro-arc oxidation film completely covers the Al-Sn alloy weld zone. The phase composition of the micro-arc oxidation film prepared by adding potassium fluorozirconate is α-Al2O3, γ-Al2O3 and ZrO 2, which is different from conventional micro-arc oxidation film. Changing the concentration of potassium fluorozirconate does not affect the porous structure of micro-arc oxidation film, but adding an appropriate amount of potassium fluorozirconate can reduce the porosity of micro-arc oxidation film, significantly improve the flatness and density, and thereby enhance the corrosion resistance. A relatively flat and dense micro-arc oxidation film is prepared in an electrolyte containing 12 g/L potassium fluorozirconate, with a porosity of only 2.21% and a thickness of 14.2 μm. Compared with conventional micro-arc oxidation film, this micro-arc oxidation film exhibits better corrosion resistance and provides better protection for the Al-Sn alloy weld zone

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更新日期/Last Update: 2026-05-12