为了进一步提高Ni-W-P合金镀层的硬度和耐蚀性,用脉冲电沉积法制备了(Ni-W-P) -TiO2复合镀层,并研究了镀液中TiO2加入量对镀层硬度和表面形貌的影响,且通过极化曲线和电化学阻抗谱研究了镀层在3.5％NaCl溶液中的耐蚀性能.结果表明,(Ni-W-P) -TiO2复合镀层的性能优于Ni-W-P镀层,而当镀液中TiO2质量浓度为6g/L时,复合镀层的硬度较高,表面形貌及耐蚀性能较优.自腐蚀电位较正,腐蚀电流密度较小,极化电阻较大,其交流阻抗谱对应的电阻值也较大.
参考文献
| [1] | 张凤桥,季孟波,李兰兰,魏子栋.纳米粒子复合镀的研究现状[J].电镀与精饰,2005(06):18-23,35. |
| [2] | 黄新民,钱利华,吴玉程,朱泓.纳米颗粒TiO2化学复合镀层的功能特性[J].金属功能材料,2004(02):16-19. |
| [3] | 鲁香粉;吴玉程;朱帮同 等.Ni-P-TiO2纳米复合镀层的制备与性能研究[J].金属功能材料,2008,39(03):482-484. |
| [4] | S. M. A. Shibli;V. S. Dilimon .Effect of phosphorous content and TiO_2-reinforcement on Ni-P electroless plates for hydrogen evolution reaction[J].International journal of hydrogen energy,2007(12):1694-1700. |
| [5] | Baghery, P.;Farzam, M.;Mousavi, A.B.;Hosseini, M. .Ni-TiO_2 nanocomposite coating with high resistance to corrosion and wear[J].Surface & Coatings Technology,2010(23):3804-3810. |
| [6] | Ma J;Shi Y;Di J et al.Effect of TiO2 nanoparticles on anticorrosion property in amorphous Ni-P-Cr composite coating in artificial seawater and microbial environment[J].Materials and Corrosion,2009,60(04):274-279. |
| [7] | B. Szczygiel;M. Kolodziej .Corrosion resistance of Ni/Al_2O_3 coatings in NaCl solution[J].Transactions of the Institute of Metal Finishing,2005(4):181-187. |
| [8] | Krolikowski A;Plonska E;Ostrowski A;Donten M;Stojek Z .Effects of compositional and structural features on corrosion behavior of nickel-tungsten alloys[J].Journal of solid state electrochemistry,2009(2):263-275. |
| [9] | Guozhe Meng;Feilong Sun;Yawei Shao;Tao Zhang;Fuhui Wang;Chaofang Dong;Xiaogang Li .Effect of phytic acid on the microstructure and corrosion resistance of Ni coating[J].Electrochimica Acta,2010(20):5990-5995. |
| [10] | 曹楚南;张鉴清.电化学阻抗谱导论[M].北京:科学出版社,2002:24-32. |
| [11] | 胡会利;李宁.电化学测量[M].北京:国防工业出版社,2007:232. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%