为进一步认识和控制阴极等离子体电解沉积过程,研究了工艺条件对锌沉积时放电和沉积过程的影响,用扫描电镜和金相显微镜分别观察沉积层的表面和截面形貌,用能谱仪和X射线衍射仪进行沉积层元素和物相分析.结果表明,极间电压增大到约200 V以上的某一电压值时阴极上发生等离子放电,初始放电电压与电解槽中的溶剂种类、氯化钠添加量有关,随乙醇和氯化钠添加量的增大而降低.要在阴极上实现锌的沉积,就应控制工艺条件使初始放电电压尽量低,且极间电压宜维持在初始放电电压以上10～20 V.采用水和乙醇混合作溶剂比只用水作溶剂容易实现稳定的阴极沉积,沉积层厚度踢显大,但沉积物表面的颗粒较粗大,致密性要差.
参考文献
| [1] | Gupta P;Tenhundfeld G;Daigle EO;Ryabkov D.Electrolytic plasma technology: Science and engineering - An overview[J].Surface & Coatings Technology,200721(21):8746-8760. |
| [2] | 关永军;夏原.等离子体电解沉积的研究现状[J].力学进展,2004(2):237-250. |
| [3] | A. L. Yerokhin;X. Nie;A. Leyland;A. Matthews;S. J. Dowey.Plasma electrolysis for surface engineering[J].Surface & Coatings Technology,19992/3(2/3):73-93. |
| [4] | Influence of treating frequency on microstructure and properties of Al_2O_3 coating on 304 stainless steel by cathodic plasma electrolytic deposition[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,200921(21):8846-8854. |
| [5] | 顾伟超;沈德久;王玉林;陈光良;冯文然;张谷令;刘赤子;杨思泽.电解等离子体法制备Al2O3陶瓷层及其特性研究[J].物理学报,2005(7):3263-3267. |
| [6] | Zhao, G.;He, Y..Plasma electroplating Ni coating on pure copper sheet-the effects of H _2SO _4 concentration on the microstructure and mechanical properties[J].Surface & Coatings Technology,201221(21):4411-4416. |
| [7] | 赵广宏;何业东.镀液成分对等离子电沉积镍镀层的影响[J].材料热处理学报,2012(9):95-100. |
| [8] | 赵广宏;何业东.脉冲参数对等离子电沉积镍镀层结构和性能的影响[J].材料热处理学报,2012(8):115-120. |
| [9] | 杨建明;马超;陈劲松;黄大志.乙醇环境下阴极等离子体电解沉积镍[J].有色金属工程,2014(3):41-44. |
| [10] | 易泉秀;何业东.阴极等离子电解沉积Ni和Ni-Al2O3纳米涂层[J].材料热处理学报,2015(6):191-196. |
| [11] | Meletis EI.;Nie X.;Wang FL.;Jiang JC..Electrolytic plasma processing for cleaning and metal-coating of steel surfaces[J].Surface & Coatings Technology,20022/3(2/3):246-256. |
| [12] | P. Gupta;G. Tenhundfeld;E. O. Daigle.Surface modification of brass-coated steel cord by electro plasma technology[J].Wire Journal International,20052(2):50-56. |
| [13] | 权成;何业东.阴极等离子体电解沉积Co、Cr金属涂层及Ni-Cr、Co-Cr合金涂层[J].材料热处理学报,2015(6):185-190. |
| [14] | Gupta P;Tenhundfeld G;Daigle EO;Schilling PJ.Synthesis and characterization of hard metal coatings by electro-plasma technology[J].Surface & Coatings Technology,20055/6(5/6):1587-1594. |
| [15] | 易泉秀;何业东.阴极等离子电解沉积Ni-P和Ni-P-ZrO2纳米晶涂层[J].材料热处理学报,2015(5):198-204. |
| [16] | Paulmier T;Bell JM;Fredericks PM.Deposition of nano-crystalline graphite films by cathodic plasma electrolysis[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,20075(5):2926-2934. |
| [17] | 王伟泽;何业东;王鹏;邓舜杰;张津.阴极等离子电解沉积ZrO2-Al2O3-Pt复合热障涂层组织及特性[J].材料热处理学报,2015(9):173-179. |
| [18] | 邓舜杰;何业东;王鹏;张津.阴极等离子电解大面积沉积弥散Pt微粒增韧8YSZ热障涂层[J].材料热处理学报,2015(5):191-197. |
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%