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科技导报  2015 

添加纳米Al微粒对纯钛微弧氧化膜层性能的影响

DOI: 10.3981/j.issn.1000-7857.2015.15.007, PP. 50-53

Keywords: 微弧氧化,纳米Al微粒,Al2O3/TiO2氧化膜

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Abstract:

在微弧氧化电解液中添加纳米Al微粒,在纯钛表面进行微弧氧化制备Al2O3/TiO2复合微弧氧化膜,采用Quant200型扫描电子显微镜(SEM)观察膜层的表面形貌,并研究纳米Al微粒对微弧氧化复合膜层硬度和耐磨性能的影响。结果表明,纳米Al微粒的添加可使纯钛微弧氧化膜的表面更加平整致密,硬度和耐磨性显著提高。电解液中添加3g/L纳米Al微粒后,微弧氧化的终止电压由460V上升至515V,硬度由811HV提高至1232HV,平均摩擦系数由0.68降低至0.57,磨损失重由1.0mg降低至0.58mg。

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