[1]俞 安,翟又文.doi: 10.3969/j.issn.1001-3849.2026.06.006纳米Al2O3颗粒掺杂对微弧氧化膜机械性能的影响[J].电镀与精饰,2026,(06):48-55.
　YU AnZHAI Youwen.Influence of nano-Al2O3 particles doping on mechanical properties of micro-arc oxidation films[J].Plating & Finishing,2026,(06):48-55.
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doi: 10.3969/j.issn.1001-3849.2026.06.006纳米Al2O3颗粒掺杂对微弧氧化膜机械性能的影响()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2026年06
页码:
48-55
栏目:
出版日期:
2026-06-30

文章信息/Info

Title:
Influence of nano-Al2O3 particles doping on mechanical properties of micro-arc oxidation films
作者:
俞 安1; 翟又文2
(1. 昆明学院 数学学院,云南 昆明 650214 ;2. 昆明学院 机电工程学院,云南 昆明 650214)
Author(s):
YU An1ZHAI Youwen2
(1. College of Mathematics, Kunming University, Kunming 650214, China; 2. College of Mechanical and Electrical Engineering, Kunming University, Kunming 650214, China)
关键词:
微弧氧化膜; 纳米Al2O3颗粒; 结合力; 硬度; 弹性模量
Keywords:
micro-arc oxidation film;  nano-Al2O3 particles;  bonding strength;  hardness;  elastic modulus
分类号:
TQ153 TG174.4
文献标志码:
A
摘要:
在硅酸盐电解液中添加纳米Al2O3颗粒，通过微弧氧化反应将其掺杂于膜层中获得复合微弧氧化膜。研究了纳米Al2O3颗粒浓度对复合微弧氧化膜的形貌、物相及机械性能的影响，并探讨了纳米Al2O3颗粒调控微弧氧化膜机械性能的机理。结果表明：随着纳米Al2O3颗粒浓度从0.5 g/L增至3.0 g/L，复合微弧氧化膜的平均孔洞尺寸呈先减小后增大趋势，孔隙率呈先降低后升高趋势，致密性逐步改善然后变差；复合微弧氧化膜与基体的结合力先增大后减小，硬度、弹性模量及弹性恢复能力均先提高后降低。添加1.0 g/L纳米Al2O3颗粒制备的复合微弧氧化膜由MgO和Al2O3相构成，具有低孔隙率(4.5%)和较好的致密性，与基体结合力高达15.2 N，氧化膜硬度(5.26 GPa)和弹性模量(74.88 GPa)较常规微弧氧化膜分别提高约1.4和7.1 GPa，展现出良好的抵抗局部变形能力和弹性恢复能力。
Abstract:
Nano-Al2O3 particles were added to the silicate electrolyte, and the composite micro-arc oxidation films were obtained by doping particles into the films through micro-arc oxidation reaction. The effect s of the concentration of nano-Al 2O3 particles on the morphology, phase and mechanical properties of the composite micro-arc oxidation films was systematically studied, and the mechanism of nano-Al 2O3 particles regulating the mechanical properties of micro-arc oxidation films was discussed. The results show that as the concentration of nano-Al 2O3 particles increases from 0.5 g/L to 3.0 g/L, the average pore size and porosity of the composite micro-arc oxidation films first decreases and then increases, and the compactness gradually improves and then deteriorates. The bonding strength between the composite micro-arc oxidation film and the substrate first increases and then decreases, and the hardness, elastic modulus and elastic recovery capacity all first increase and then decrease. The composite micro-arc oxidation film prepared by adding 1.0 g/L nano-Al 2O3 particles is composed of MgO and Al 2O3 phases, has a lower porosity (4.5%) and better compactness, and has a higher adhesion of 15.2 N with the substrate. Compared with conventional micro-arc oxidation film, the hardness (5.26 GPa) and elastic modulus (74.88 GPa) of the composite micro-arc oxidation film are increased respectively by about 1.4 and 7.1 GPa, demonstrating excellent resistance to local deformation and elastic recovery capabilities

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更新日期/Last Update: 2026-06-12