采用电沉积方法,通过向镀液中加入不同粒径的CeO2颗粒,制得Zn-Ni/微米CeO2复合镀层和Zn-Ni/纳米CeO2复合镀层,研究了CeO2粒子的大小和加入量对镀层微观形貌、相组成、CeO2在镀层中的复合量以及镀层耐蚀性的影响.结果表明:大量加入CeO2,可使镀层呈现块状的“饼干”结构,并能提高镀层的耐蚀性,此外还可以抑制Ni的沉积,加入10 g/L纳米CeO2时,镀层的合金相主要为Ni2Zn11相,其它Zn-Ni合金相则较少;相比之下,在提高镀层CeO2复合量方面,微米级CeO2效果较好,在提高镀层耐蚀性方面,纳米级CeO2的效果较好.
参考文献
| [1] | Hegde, A.C.;Venkatakrishna, K.;Eliaz, N. .Electrodeposition of Zn-Ni, Zn-Fe and Zn-Ni-Fe alloys[J].Surface & Coatings Technology,2010(7):2031-2041. |
| [2] | Beltowska-Lehman E.;Ozga P.;Swiatek Z.;Lupi C. .Electrodeposition of Zn-Ni protective coatings from sulfate-acetate baths[J].Surface & Coatings Technology,2002(0):444-448. |
| [3] | S. O. Pagotto;C. M. de Alvarenga Freire;M. Ballester .Zn-Ni alloy deposits obtained by continuous and pulsed electrodeposition processes[J].Surface & Coatings Technology,1999(1):10-13. |
| [4] | 谭美军,刘小平,陈洪.特种稀土永磁材料的包装[J].包装工程,2002(01):38-39,44. |
| [5] | 梁义,魏世丞,刘毅,王玉江,徐滨士.Zn-Al和Al-RE热喷涂涂层的耐蚀性研究[J].装备环境工程,2010(06):171-174. |
| [6] | KARL A Gschneidner.Handbook on the Physics and Chemistry of Rare Earths[M].[s.l.]:North-HollandPublishing Company,1984:353-356. |
| [7] | Oxidative Steam Reforming Of Ethanol Over Ni/al_2o_3 Catalysts Promoted By Ceo_2, Zro_2 And Ceo_2-zro_2[J].International journal of hydrogen energy,2009(5):2224-2234. |
| [8] | TSAI T P;PERRY E;BAMETT S .Low-temperature Solidoxide Fuel Cells Utilizing Thin Bilayer Electrolytes[J].Journal of the Electrochemical Society,1997,144:130-133. |
| [9] | Jianliang Li;Dangsheng Xiong;Zhongjia Huang;Jian Kong;Jihui Dai .Effect of Ag and CeO_2 on friction and wear properties of Ni-base composite at high temperature[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2009(Pt.1):576-584. |
| [10] | Xu RD;Wang JL;He LF;Guo ZC .Study on the characteristics of Ni-W-P composite coatings containing nano-SiO2 and nano-CeO2 particles[J].Surface & Coatings Technology,2008(8):1574-1579. |
| [11] | A. Petrauskas;L. Grinceviciene;A. Cesuniene;R. Juskenas .Studies of phase composition of Zn-Ni alloy obtained in acetate-chloride electrolyte by using XRD and potentiodynamic stripping[J].Electrochimica Acta,2005(5):1189-1196. |
| [12] | M.A. Dominguez-Crespo;A.M. Torres-Huerta;B. Brachetti-Sibaja;A. Flores-Vela .Electrochemical performance of Ni-RE (RE = rare earth) as electrode material for hydrogen evolution reaction in alkaline medium[J].International journal of hydrogen energy,2011(1):135-151. |
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