评价微弧氧化膜层性能的参数主要有膜层厚度、表面粗糙度和硬度,影响氧化膜层性能的主要因素有电流密度、脉冲频率和占空比.利用正交实验数据建立了BP神经网络,对微弧氧化膜层性能进行了预测,对能量参数进行了优化.结果表明:所拟建的BP网络稳定,网络预测当电流密度为10 A/dm2、频率为500 Hz、占空比为15%时,膜层的厚度、硬度最大,表面粗糙度最小,且其值与实验结果吻合.
参考文献
[1] | Tekin, K.C.;Malayoglu, U.;Shrestha, S. .An investigation into the mechanical and tribological properties of plasma electrolytic oxidation and hard-anodized coatings on 6082 aluminum alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(24):7451-7460. |
[2] | A. L. Yerokhin;X. Nie;A. Leyland;A. Matthews;S. J. Dowey .Plasma electrolysis for surface engineering[J].Surface & Coatings Technology,1999(2/3):73-93. |
[3] | BUTYAGIN P I;KHOKHRYAKOV Y V;MAMAEV A I .Micro Plasma Systems for Creating Coatings on Aluminum Alloys[J].Materials Letters,2003,57:1748-1751. |
[4] | NIE X;LEYLAND A;SONG H W et al.Thickness Effects on the Mechanical Properties of Micro-arc Discharge Oxide Coatings on Aluminum Alloys[J].Surface and Coatings Technology,1999,116/117/118/119:1055-1060. |
[5] | 朱凯;王正林.精通MATLAB神经网络[M].北京:电子工业出版社,2010:193-224. |
[6] | 阎平凡;张长水.人工神经网络与模拟进化计算[M].北京:清华大学出版社,2001:115-168. |
[7] | 初红艳,秦合营,蔡力钢,李鹏,李风光.基于BP神经网络的印刷色彩质量综合评价[J].包装工程,2009(10):97-100. |
[8] | YEROKHIN A L;NIE X;LEYLAND A et al.Characterisation of Oxide Films Produced by Plasma Electrolytic Oxidation of a Ti-6A1-4V Alloy[J].Surface and Coatings Technology,2000,130:195-206. |
[9] | KHAN R H;YEROKHIN A L;LI X et al.Surface Characterization of DC Plasma Electrolytic Oxidation Treated 6082 Aluminium Alloy:Effect of Current Density and Electrolyte Concentration[J].Surface and Coatings Technology,2010,205:1679-1688. |
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