氧化钴纳米颗粒对碳钢在海水中环氧树脂的机械性能和耐腐蚀性能的影响。

Impact of CoO nanoparticles on epoxy's mechanical and corrosion-resistance properties for carbon steel in seawater.

作者信息

Deyab M A, El-Shamy Omnia A A, Alghamdi Majed M, El-Zahhar Adel A

机构信息

Egyptian Petroleum Research Institute, Nasr City, Cairo, 11727, Egypt.

Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia.

出版信息

Sci Rep. 2024 Feb 12;14(1):3535. doi: 10.1038/s41598-024-53967-4.

DOI:10.1038/s41598-024-53967-4

PMID:38347018

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10861461/

Abstract

CoO nanoparticles (CoO-NPs) are synthesized using the facile solvothermal method. FT-IR and XRD spectroscopic analyses verify the creation of cobalt oxide nanoparticles with an average size of 13.20 nm. Furthermore, Zeta potential assessments were carried out to identify the electrical charge of the surface of the produced CoO-NPs, which was found to be -20.5 mV. In addition, the average pore size of CoO-NPs is 19.8 nm, and their BET surface area is 92.4 m/g. The study also concerned the effect of CoO-NPs on epoxy's improvement of mechanical and corrosion protection for carbon steel in salt solution. By including CoO-NPs in an epoxy (EP) coating, corrosion is effectively prevented by non-permeable protective coatings that effectively reduce the transfer of corrosion ions and oxygen.

摘要

采用简便的溶剂热法合成了氧化钴纳米颗粒（CoO-NPs）。傅里叶变换红外光谱（FT-IR）和X射线衍射（XRD）光谱分析证实生成了平均粒径为13.20纳米的氧化钴纳米颗粒。此外，进行了ζ电位评估以确定所制备的CoO-NPs表面的电荷，结果发现其为-20.5毫伏。另外，CoO-NPs的平均孔径为19.8纳米，其比表面积为92.4平方米/克。该研究还关注了CoO-NPs对环氧树脂改善碳钢在盐溶液中的机械性能和防腐性能的影响。通过在环氧（EP）涂层中加入CoO-NPs，不可渗透的保护涂层可有效防止腐蚀，该涂层能有效减少腐蚀离子和氧气的转移。