316L不锈钢表面超疏水微纳镍镀层定向电沉积工艺优化研究

doi:10.11902/1005.4537.2017.131

中国腐蚀与防护学报

2018, Vol. 38

Issue (5): 438-446 DOI: 10.11902/1005.4537.2017.131

研究报告

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316L不锈钢表面超疏水微纳镍镀层定向电沉积工艺优化研究

蒋斌¹, 曾利兰¹, 梁涛¹, 潘浩波², 乔岩欣², 张竞², 赵颖¹(

)

1 中国科学院深圳先进技术研究院深圳 518055
2 江苏科技大学材料科学与工程学院镇江 212003

Directional Electrodeposition of Micro-nano Superhyd-rophobic Coating on 316L Stainless Steel

Bin JIANG¹, Lilan ZENG¹, Tao LIANG¹, Haobo PAN², Yanxin QIAO², Jing ZHANG², Ying ZHAO¹(

)

1 Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
2 School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China

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摘要:

利用定向电沉积技术在316L不锈钢表面设计制备了一种超疏水微纳镍镀层,通过对电沉积参数的优化,获得最佳电沉积工艺参数：初次电沉积电流密度5 Adm^-2,电沉积时间为480 s,结晶调节剂浓度为1.5 mol/L;二次电沉积条件为10 Adm^-2,60 s。借助SEM、XRD、电化学测试技术、接触角测试对涂层进行表征,结果表明制备的316L不锈钢表面镍镀层阵列微纳结构具有典型的花瓣状分级结构和较好的超疏水性能,镍镀层阵列微纳结构由具有 (110) 择优取向晶面的针锥阵列结构组成,随着二次电沉积电流密度的增大,镍镀层阵列微纳结构的生长经历从针锥向花瓣结构转变。

关键词 ：定向电沉积, 超疏水, 镍镀层, 微纳分级结构

Abstract：

A micro-nano superhydrophobic nickel coating was prepared on 316L stainless steel in electrolyte of NiCl₂6H₂O 1 mol/L, H₃BO₃ 0.5 mol/L and ethylenediamine dihydrochloride 0.5~2.5 mol/L via a two-step electrodeposition process, namely, the first electrodeposition was performed by current density of 5 Adm^-2 for 480 s in the electrolyte with 1.5 mol/L crystallization regulator, while the second electrodeposition was conducted by current density of 10 Adm^-2 for 60 s. The prepared micro-nano superhydrophobic coating was characterized by means of surface analysis, electrochemical tests, and contact angle measurements. Results show that the micro-nano superhydrophobic coating presents typical needle-cone array structure with preferential orientation (110) plane and well superhydrophobic performance. With the increasing current density in the second electrodeposion step, the needle-cone array structure transforms gradually in petal-shaped hierarchical structure.

Key words： directional electrodeposition superhydrophobic nickel coating micro-nano hierarchical structure

收稿日期: 2017-08-02

ZTFLH:

TG174.2

基金资助:国家自然科学基金 (81572113,51501218和51401092),广东省自然科学基金博士启动基金 (2014A030310129),深圳基础研究项目 (JCYJ20160608153641020),深圳市孔雀团队项目 (110811003586331),深港创新圈项目 (SGLH20150213143207910) 及江苏省产学研前瞻项目 (BY2016073-12)

作者简介:

作者简介蒋斌,男,1982年生,博士

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引用本文:

蒋斌, 曾利兰, 梁涛, 潘浩波, 乔岩欣, 张竞, 赵颖. 316L不锈钢表面超疏水微纳镍镀层定向电沉积工艺优化研究[J]. 中国腐蚀与防护学报, 2018, 38(5): 438-446.
Bin JIANG, Lilan ZENG, Tao LIANG, Haobo PAN, Yanxin QIAO, Jing ZHANG, Ying ZHAO. Directional Electrodeposition of Micro-nano Superhyd-rophobic Coating on 316L Stainless Steel. Journal of Chinese Society for Corrosion and protection, 2018, 38(5): 438-446.

链接本文:

https://www.jcscp.org/CN/10.11902/1005.4537.2017.131 或 https://www.jcscp.org/CN/Y2018/V38/I5/438

图1 316L不锈钢在含有结晶调节剂的电解液中的循环伏安曲线

图2 316L不锈钢表面不同初次电沉积电流密度条件下E-t曲线

图3 316L不锈钢表面不同初次电沉积电流密度条件下所制备镀层的SEM像

图4 316L不锈钢表面在不同初次电沉积电流条件下所制备镀层的接触角

图5 316L不锈钢表面不同初次电沉积时间条件下E-t曲线

图6 316L不锈钢表面不同初次电沉积时间条件下所制备镀层的接触角

图7 316L不锈钢表面不同浓度结晶调节剂条件下E-t曲线

图8 316L不锈钢表面不同结晶调节剂浓度条件下所制备镀层的接触角变化

图9 316L不锈钢表面不同二次沉积时间条件下E-t曲线

图10 316L不锈钢表面不同二次沉积时间条件下所制备镀层的接触角

图11 316L不锈钢表面不同工艺参数条件下所制备镀层的择优生长方向变化

图12 二次电沉积优化工艺条件下316L不锈钢表面所制备镀层的表面形貌

图13 二次电沉积优化工艺条件下316L不锈钢表面所制备镀层的元素成分分析

图14 316L不锈钢表面所制备镍镀层微纳结构表面电沉积生长机理

图15 316L不锈钢表面所制备镍镀层微纳结构表面超疏水形成模型图

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