用电化学方法研究了高频脉冲电镀Ni-Co复合镀层在NaCl溶液中的耐蚀性,结果表明,随着频率的增加,沉积层表面更加致密、均匀,在3.5%NaCl溶液中Ni-Co镀层的腐蚀失重明显减小,腐蚀失重速率变慢;高频和直流电铸Ni-Co复合镀层的阳极极化曲线形状相似,随频率增加,自腐蚀电位正移,自腐蚀电流降低.可见,高频率对沉积层的细化有重要影响,并使镀层的耐蚀性提高.
参考文献
| [1] | Frederick A L.北京航空学院103教研室,译.现代电镀[M].北京:机械工业出版社,1982.189. |
| [2] | Fenineche N,Coddet C,Saida A.Effect of elect rodeposition parameters on the microst ructure and mechanical properties of CoNi alloys[J].Surface and Coatings Technology,1990,41 (1):75 81. |
| [3] | Zhu H,Yang S G,Ni G,et al.Fabrication and magnetic properties of Co67Ni33 alloy nanowire array[J].Scripta Materialia,2001,44(8-9):2291. |
| [4] | Moina C A,Vazdar M.Electrodeposition of nanosized nuclei of magnetic Co-Ni alloys onto n-Si (100)[J].Electrochemistry Communications,2001,3 (4):159. |
| [5] | 向国朴.脉冲电镀的原理与应用[M].天津:天津科学技术出版社,1989.1. |
| [6] | 王鸿建.电镀工艺学[M].哈尔滨:哈尔滨工业大学出版社,1995.23. |
| [7] | Panagopoulos C N,Papachristos V D.Lubricated sliding wear behaviour of Ni-P-W multilayered alloy coatings produced by pulse plating[J].Thin Solid Films,2000,366(1-2):155. |
| [8] | Wang Yi qing,Zhao Wen zhen,Tang Yi ping,et al.Study on electroforming processing and properties of Ni-Co alloy[J].Ordnancematerial Science and Engineer,2000,23(3):39. |
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