FAN Wenjun,CUI Hongbing,WANG Meng,et al.Preparation and Performance Study of Amorphous Cr-C Coating Electrodeposited from Trivalent Chromium Solution[J].Plating & Finishing,2020,(12):37-42.[doi:10.3969/j.issn.1001-3849.2020.12.0080]
从三价铬溶液电沉积非晶Cr-C镀层及其性能研究
- Title:
- Preparation and Performance Study of Amorphous Cr-C Coating Electrodeposited from Trivalent Chromium Solution
- 分类号:
- TQ153.1
- 文献标志码:
- A
- 摘要:
- 以316L不锈钢为基体，在不同沉积电流密度下制备了非晶Cr-C镀层，研究了沉积电流密度对镀层表面形貌、化学组成、耐腐蚀性以及表面疏水性的影响。结果表明，随着电流密度增大，镀层C含量减少，表面缺陷增多，耐腐蚀性下降，疏水性降低。在20 A/dm2电流密度下制备的Cr-C镀层表面平整无缺陷，含碳量最高，耐腐蚀性最强，对应腐蚀电流密度为5×10-9 A/dm2，表面疏水性也最强。
- Abstract:
- The amorphous Cr-C coatings were prepared under different deposition current densities on the substrate of 316L stainless steel, and the effects of deposition current density on the surface morphology, chemical composition, corrosion resistance and surface hydrophobicity of the coating were studied. The results showed that the C content of the coating decreased as the current density increased, as well as the surface defects increased, the corrosion resistance decreased, and the hydrophobicity decreased. The Cr-C coating prepared at a current density of 20 A/dm2 showed a smooth surface without defects, the highest carbon content, the best corrosion resistance with the corrosion current density of 5×10-9 A/dm2, and the strongest surface hydrophobicity.
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备注/Memo
收稿日期： 2019-06-17；修回日期： 2019-09-06
作者简介： 范文俊（1993-），男，硕士，从事PEMFC燃料电池金属双极板表面改性技术研究，Email：953851576@qq.com