采用微等离子体氧化法在NaAlO2溶液中对7075铝合金进行表面处理,研究了阳极电流密度及阴/阳极电流密度比对陶瓷层的厚度、硬度、表面及截面形貌、相组成等的影响.结果表明:陶瓷层的厚度、显微硬度及微观形貌与阳极电流密度及阴/阳极电流密度比密切相关,在阳极电流密度为10A/dm2及阴/阳极电流密度比为0.7时,陶瓷层显示出较好的表面及截面形貌.
参考文献
| [1] | 郭孟秋,王长亮,刘明,孙志华,国大鹏.2A12合金微弧氧化工艺因素的影响研究[J].装备环境工程,2008(05):38-41. |
| [2] | Curran JA;Kalkanci H;Magurova Y;Clyne TW .Mullite-rich plasma electrolytic oxide coatings for thermal barrier applications[J].Surface & Coatings Technology,2007(21):8683-8687. |
| [3] | Lei Wen;Yarning Wang;Yu Zhou;Lixin Guo;Jia-Hu Ouyang .Microstructure and corrosion resistance of modified 2024 Al alloy using surface mechanical attrition treatment combined with microarc oxidation process[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2011(1):473-480. |
| [4] | YANG Yue,WU Hua.Effect of current density on corrosion resistance of micro-arc oxide coatings on magnesium alloy[J].中国有色金属学报（英文版）,2010(z2):688-692. |
| [5] | Aytekin Polat;Murat Makaraci;Metin Usta .Influence of sodium silicate concentration on structural and tribological properties of microarc oxidation coatings on 2017A aluminum alloy substrate[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2010(2):519-526. |
| [6] | Oh, YJ;Mun, JI;Kim, JH .Effects of alloying elements on microstructure and protective properties of Al2O3 coatings formed on aluminum alloy substrates by plasma electrolysis[J].Surface & Coatings Technology,2009(1/2):141-148. |
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