[1]刘巧红,李永越,徐光顺.doi: 10.3969/j.issn.1001-3849.2025.12.017纳米ZrO2颗粒对车辆用镁合金表面微弧氧化[J].电镀与精饰,2025,(12):131-138.
　Liu Qiaohong,Li Yongyue*,Xu Guangshun.Effects of nano-ZrO 2 particles on wear resistance of micro-arc oxide films on vehicle-use magnesium alloy[J].Plating & Finishing,2025,(12):131-138.
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doi: 10.3969/j.issn.1001-3849.2025.12.017纳米ZrO2颗粒对车辆用镁合金表面微弧氧化()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年12
页码:
131-138
栏目:
出版日期:
2025-12-31

文章信息/Info

Title:
Effects of nano-ZrO 2 particles on wear resistance of micro-arc oxide films on vehicle-use magnesium alloy
作者:
刘巧红1; 李永越1; 徐光顺2
膜耐磨性能的影响刘巧红1,李永越1,徐光顺2(1. 沧州交通学院 机械与动力工程学院,河北 沧州 061100 ;2. 中铁物总技术有限公司,北京 100036)
Author(s):
Liu Qiaohong1;  Li Yongyue1*;  Xu Guangshun2
(1. Department of Mechanical and Power Engineering, Cangzhou Jiaotong College, Cangzhou 061100, China; 2. China Railway Materials Technology Co., Ltd, Beijing 100036, China)
关键词:
微弧氧化膜; AZ31B镁合金; 车辆; 纳米ZrO2颗粒; 耐磨性能
Keywords:
micro-arc oxide film;  AZ31B magnesium alloy;  vehicle;  nano-ZrO2 particles;  wear resistance
分类号:
TG174.453；TQ630.6
文献标志码:
A
摘要:
选用纳米ZrO2颗粒添加到电解液中，以车辆制造中常用的AZ31B镁合金作为基体制备微弧氧化膜，研究纳米ZrO2颗粒浓度对微弧氧化膜的形貌、成分、硬度以及耐磨性能的影响。结果表明：随着电解液中纳米颗粒的浓度增加(0～3.5 g/L)，掺进微弧氧化膜中的ZrO2颗粒先增多然后减少，微弧氧化膜的致密性逐步改善然后变差，硬度和耐磨性能均先提高然后降低。纳米ZrO2颗粒浓度为2.5 g/L时制备的微弧氧化膜表面孔洞少、较为致密，其硬度达到340.5 HV，是AZ31B镁合金的3.5倍。该微弧氧化膜还具有良好的耐磨性能，稳定磨损阶段的摩擦系数约为0.45，明显低于AZ31B镁合金的摩擦系数(0.8)，并且磨损体积仅为3.17×103 μm 3，较AZ31B镁合金降低了约两个数量级。
Abstract:
By adding nano-ZrO2 particles to the electrolyte, and selecting AZ31B magnesium alloy, commonly used in vehicle manufacturing, as the substrate, micro-arc oxide films were prepared. The effect s of the concentration of nano-ZrO 2 particles on the morphology, component, hardness and wear resistance of micro-arc oxide films w ere further investigated. The results show that, as the concentration of nanoparticles in the electrolyte increase from 0 to 3.5 g/L, the ZrO 2 particles incorporated into the micro-arc oxide films initially increase and then decrease, and the compactness of the micro-arc oxide films is progressively improved but subsequently deteriorated, accompanied with first improvement and then reduction of both hardness and wear resistance. The micro-arc oxide film prepared when the concentration of nano-ZrO2 particles is 2.5 g/L show a small number of pores on the surface and favorable compactness, with a hardness of 340.5 HV, which is 3.5 times higher than that of AZ31B magnesium alloy. The prepared micro-arc oxide film also showe superior wear resistance, with a stable friction coefficient of approximately 0.45 at the steady wear stage, which is significantly lower than that of AZ31B magnesium alloy (0.8). Additionally, the wear volume of the prepared micro-arc oxide film is only 3.17×103 μm 3, Which is indicative of a reduction of approximately two orders of magnitude compared to AZ31B magnesium alloy

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更新日期/Last Update: 2025-12-18