目的 通过对阴极等离子电解放电机制进行讨论,提出大面积沉积复杂形状试样的解决办法.方法 在电解液中添加表面活性剂和氯铂酸制备Pt颗粒弥散的复合涂层,通过测试电流密度-电压曲线,分析气膜放电机制,通过扫描电子显微镜对涂层的表面、截面形貌进行分析表征.结果 在电解液中添加表面活性剂或者在阴极区施加微珠,使气膜层更均匀,同时降低了沉积涂层的电流密度.随着Pt含量的增加,涂层孔隙率逐渐降低.涂层中弥散的Pt颗粒起到了弥散增韧的作用,提高了涂层的断裂韧性和抗剥落性能.结论 实现了在大面积复杂形状试样上制备陶瓷涂层,并通过在涂层中弥散Pt颗粒提高了涂层的致密性.
参考文献
| [1] | Gupta P;Tenhundfeld G;Daigle EO;Ryabkov D.Electrolytic plasma technology: Science and engineering - An overview[J].Surface & Coatings Technology,200721(21):8746-8760. |
| [2] | H.P. Zhao;Y.D. He;X.H. Kong.Carbon nanotubes and diamond-like carbon films produced by cathodic micro-arc discharge in aqueous solutions[J].Materials Letters,200727(27):4916-4919. |
| [3] | Durdu, S.;Bayramoglu, S.;Demirta?, A.;Usta, M.;ü??k, A.H..Characterization of AZ31 Mg Alloy coated by plasma electrolytic oxidation[J].Vacuum: Technology Applications & Ion Physics: The International Journal & Abstracting Service for Vacuum Science & Technology,2013:130-133. |
| [4] | R. O. Hussein;X. Nie;D. O. Northwood.An investigation of ceramic coating growth mechanisms in plasma electrolytic oxidation (PEO) processing[J].Electrochimica Acta,2013:111-119. |
| [5] | Yunlong Wang;Zhaohua Jiang;Zhongping Yao.Effects of Na_2WO_4 and Na_2SiO_3 additives in electrolytes on microstructure and properties of PEO coatings on Q235 carbon steel[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,20091/2(1/2):725-729. |
| [6] | Microstructure, bonding strength and thermal shock resistance of ceramic coatings on steels prepared by plasma electrolytic oxidation[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,20093(3):650. |
| [7] | Wang, YL;Jiang, ZH;Yao, ZP.Preparation and properties of ceramic coating on Q235 carbon steel by plasma electrolytic oxidation[J].Current applied physics: the official journal of the Korean Physical Society,20095(5):1067-1071. |
| [8] | Deng, Shunjie;Wang, Peng;He, Yedong.Influence of adding glass beads in cathode region on the kinetics of cathode plasma electrolytic depositing ZrO2 coating[J].Surface & Coatings Technology,2015:92-100. |
| [9] | Peng Wang;Ye-dong He;Shun-jie Deng;;Jin Zhang.Porous?-Al2O3 thermal barrier coatings with dispersed Pt particles prepared by cathode plasma electrolytic deposition[J].矿物冶金与材料学报,2016(1):92-101. |
| [10] | Quan, Cheng;He, Yedong.The morphology change of Co coatings prepared by cathode plasma electrolytic deposition[J].Materials Letters,2015Aug.15(Aug.15):92-95. |
| [11] | Quen, Cheng;He, Yedong.Microstructure and characterization of a novel cobalt coating prepared by cathode plasma electrolytic deposition[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2015Oct.30(Oct.30):1320-1325. |
| [12] | Quan, Cheng;He, Yedong.Properties of nanocrystalline Cr coatings prepared by cathode plasma electrolytic deposition from trivalent chromium electrolyte[J].Surface & Coatings Technology,2015:319-323. |
| [13] | Zhao, G.;Ren, C.;He, Y..Ni-P-multiwalled carbon nanotubes composite coatings prepared by mechanical attrition (MA)-assisted electroless plating[J].Surface & Coatings Technology,201211/12(11/12):2774-2779. |
| [14] | 邢亚哲;姜超平;郝建民.Ti-6Al-4V合金表面的辉光等离子渗碳强化[J].稀有金属材料与工程,2013(6):1101-1104. |
| [15] | Xiaozhan Yang;Yedong He;Deren Wang.Cathodic Micro-Arc Electrodeposition of Thick Ceramic Coatings[J].Electrochemical and solid-state letters,20023(3):C33-C34. |
| [16] | 韩伟;何业东;薛润东;王德仁.等离子体电解阴极沉积Y2O3陶瓷涂层[J].材料热处理学报,2005(4):83-86. |
| [17] | Influence of treating frequency on microstructure and properties of Al_2O_3 coating on 304 stainless steel by cathodic plasma electrolytic deposition[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,200921(21):8846-8854. |
| [18] | Bahadori, E.;Javadpour, S.;Shariat, M.H.;Mahzoon, F..Preparation and properties of ceramic Al_2O_3 coating as TBCs on MCrAly layer applied on Inconel alloy by cathodic plasma electrolytic deposition[J].Surface & Coatings Technology,2013Suppl.1(Suppl.1):S611-S614. |
| [19] | Peng Liu;Xin Pan;Weihu Yang;Kaiyong Cai;Yashao Chen.Al_2O_3-ZrO_2 ceramic coatings fabricated on WE43 magnesium alloy by cathodic plasma electrolytic deposition[J].Materials Letters,2012:16-18. |
| [20] | Xiaoyue Jin;Bin Wang;Wenbin Xue;Jiancheng Du;Xiaoling Wu;Jie Wu.Characterization of wear-resistant coatings on 304 stainless steel fabricated by cathodic plasma electrolytic oxidation[J].Surface & Coatings Technology,2013:22-28. |
| [21] | 周帅;何业东;王德仁;杨竞.阴极等离子电解沉积Al2O3-YAG复合涂层及其抗高温氧化性能[J].材料热处理学报,2013(12):171-175. |
| [22] | 王伟泽;何业东;王鹏;邓舜杰;张津.阴极等离子电解沉积ZrO2-Al2O3-Pt复合热障涂层组织及特性[J].材料热处理学报,2015(9):173-179. |
| [23] | A. L. Yerokhin;X. Nie;A. Leyland;A. Matthews;S. J. Dowey.Plasma electrolysis for surface engineering[J].Surface & Coatings Technology,19992/3(2/3):73-93. |
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