Ni-W-P三元合金镀层用于油井设备防腐蚀效果优良,但目前采用脉冲电沉积法制备该三元合金的工艺尚不成熟.利用脉冲电沉积法在抽油杆钢30CrMo表面制备Ni-W-P三元合金镀层,通过电子探针(EPMA)及X射线衍射(XRD)分析,研究了镀液中不同硫酸镍浓度对镀层化学成分及结构的影响,采用显微硬度计和Tafel极化曲线测试考察了镀层的硬度及耐蚀性.结果表明:硫酸镍浓度为70～80 g/L时,镀层中W,P含量较高且为非晶结构,镀层具有较高的硬度和较好的耐蚀性;脉冲电沉积Ni-W-P镀层的过程符合诱导共沉积机理.
参考文献
| [1] | M. P. Quiroga Arganaraz;S. B. Ribotta;M. E. Folquer;E. Zelaya;C. Llorente;J. M. Ramallo-Lopez;G. Benitez;A. Rubert;L. M. Gassa;M. E. Vela;R. C. Salvarezza.The chemistry and structure of nickel-tungsten coatings obtained by pulse galvanostatic electrodeposition[J].Electrochimica Acta,2012:87-93. |
| [2] | 高玉红,李运刚.脉冲镀和直流镀对钨镀层性能的影响[J].电镀与环保,2006(05):8-10. |
| [3] | Sassi, W.;Dhouibi, L.;Ber?ot, P.;Rezrazi, M.;Triki, E. .Comparative study of protective nickel-tungsten deposit behavior obtained by continuous and pulsed currents from citrate-ammonia media[J].Surface & Coatings Technology,2012(19/20):4235-4241. |
| [4] | 牛立斌 .Ni-W-P镀层合金的电化学沉积研究[D].西安:西安建筑科技大学,2006. |
| [5] | 张允诚;胡如南;向荣.电镀手册[M].北京:国防工业出版社,2007:39-43. |
| [6] | 张欢,郭忠诚,朱晓云.（Ni-W-P）-SiC复合镀层的脉冲电沉积及其耐蚀性[J].电镀与精饰,2004(02):4-7. |
| [7] | 孙晓东,赵芳霞,张振忠.脉冲电沉积工艺参数对Ni-W-P合金镀层性能的影响[J].电镀与环保,2012(03):7-10. |
| [8] | Mikolaj Donten;Henrikas Cesiulis;Zbigniew Stojek .Electrodeposition and properties of Ni-W, Fe-W and Fe-Ni-W amorphous alloys. A comparative study[J].Electrochimica Acta,2000(20):3389-3396. |
| [9] | Zemanová, M.;Krivosudská, M.;Chovancová, M.;Jorík, V. .Pulse current electrodeposition and corrosion properties of Ni-W alloy coatings[J].Journal of Applied Electrochemistry,2011(9):1077-1085. |
| [10] | 刘淑兰.镍-钨-磷合金镀层在硫酸介质中的耐蚀性[J].材料保护,1996(05):11. |
| [11] | 王晓强 .电沉积Ni-W-P合金及Fe-Ni/Ni-W-P双层合金的性能和应用[D].湖南大学,2008. |
| [12] | M. P. Quiroga Arganaraz;S. B. Ribotta;M. E. Folquer;L. M. Gassa;G. Benitez;M. E. Vela;R. C. Salvarezza .Ni-W coatings electrodeposited on carbon steel: Chemical composition, mechanical properties and corrosion resistance[J].Electrochimica Acta,2011(17):5898-5903. |
| [13] | 刘殿龙,杨志刚,刘璐,张弛.直流电沉积Ni-W-P镀层研究[J].稀有金属材料与工程,2010(01):60-64. |
| [14] | 于淑敏,俞素芬,杨志强.片状叠层结构材料的耐蚀机理[J].汽车工艺与材料,2003(02):15-17,20. |
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%