为探索新型的Co-Zn合金电镀工艺,在氯化胆碱-尿素离子液体中电沉积了钴锌合金镀层,探讨了阴极电位、Co(Ⅱ)/Zn(Ⅱ)浓度比、温度及时间等工艺参数对电沉积的影响,并对合金镀层性能进行了测试.结果表明:在氯化胆碱-尿素离子液体中,控制体系的组成和沉积条件,可得到表面均匀、附着力强、有金属光泽的非晶态Co-Zn合金镀层,其中Co的质量分数可达90%.
Co-Zn alloy coating was prepared via electrodeposition in choline chloride- urea ionic liquid. The effects of cathode potential, concentration ratio of Co(Ⅱ)- to Zn(Ⅱ), temperature and deposition time on the elec-tredeposition behavior were investigated, and the properties of the alloy coating were also analyzed. Results indicate that uniform amorphous Co-Zn alloy coating with metallic luster and good ad-hesion to substrate can be readily obtained by properly adjusting the composition of the choline chloride-urea ionic liquid and elec-trodeposition parameters as well, and the Co content can reach 90% ( mass fraction).
参考文献
| [1] | 印仁和,方正华,张利,徐红斌.Cl-对Zn-Co（Fe）合金共沉积中Zn转移电流密度的影响[J].化学学报,2002(03):404-407. |
| [2] | 邓朝阳,舒余德,彭忠东.锌钴合金电镀的研究现状与发展[J].电镀与涂饰,1999(02):51-55. |
| [3] | 安茂忠.锌钴合金镀层结构与耐蚀性研究[J].材料保护,1998(04):5. |
| [4] | Brenner A.Electredepesitiun of alloys[M].New York and London:Academic Press,1963 |
| [5] | HigashiK;FukushimaH;UrakaraT et al.Mechanism of the electredeposition of zinc alloys containing a small amount of cobalt[J].Journal of the Electrochemical Society,1981,128(10):2081-2085. |
| [6] | Yang MH.;Sun IW. .Electrodeposition of antimony in a water-stable 1-ethyl-3-methylimidazolium chloride tetrafluoroborate room temperature ionic liquid[J].Journal of Applied Electrochemistry,2003(11):1077-1084. |
| [7] | Abbott A P;Eareley C A;Nicola R S et al.Electredeposition of aluminium and aluminium/platinum alloys from AlCl3/benzyltrimethylammonium chloride roomtemperature ionic liquids[J].Journal of Applied Electrochemistry,2001,31:1345-1350. |
| [8] | 杨坤,华一新.离子液体电沉积铜及其合金的研究现状[J].冶金丛刊,2007(04):40-45. |
| [9] | 付雄之,于爱风,顾建胜.室温离子液体中电沉积金工艺研究[J].材料保护,2009(02):22-24. |
| [10] | Chen P Y;Sun I W .Electredepesition of cobalt and zinccobalt alloys from a lewis acidic zinc chloride-1-ethyl-3-methylimidasolium chloride molten salt[J].Electrochimica Acta,2001,46:1169-1177. |
| [11] | Abbott A P;Capper G;Davies D L et al.Novel solvent properties of choline chloride/urea mixtures[J].Chemical Communications,2003,70:70-71. |
| [12] | Abbott AP;Capper G;Davies DL;Rasheed RK;Shikotra P .Selective extraction of metals from mixed oxide matrixes using choline-based ionic liquids[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2005(19):6497-6499. |
| [13] | Abbott A P;Capper G;Mckenzie K J et al.Electredeposition of zinc-tin alloys from deep eutectic solvents based on choline chloride[J].Electroanalytical Chemistry,2007,599:288-294. |
| [14] | 陈必清,王建朝,郭承育,王金贵,刘青.乙酰胺-尿素-NaBr熔体中Gd-Ni合金的电化学制备[J].电化学,2006(02):227-231. |
| [15] | 李高仁,徐常威,童叶翔,刘冠昆.乙酰胺-尿素-NaBr熔体中Gd-Co合金膜的电沉积研究[J].稀有金属,2004(02):304-307. |
| [16] | 郭承育,王建朝,陈必清.乙酰胺-尿素-NaBr熔体中Ce-Sm-Co合金膜的电化学制备[J].盐湖研究,2006(04):33-37,55. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%