Surface functionalization of XC18 steel using a new transition metal complex for remarkable corrosion performance: Empirical and theoretical studies

IF 4.3 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Chemistry and Physics Pub Date : 2024-10-16 DOI:10.1016/j.matchemphys.2024.130042
M'bark Elhaid , Hamid Ahchouch , Bouchra Es-Sounni , Omar Id El Mouden , Rachid Salghi , M'hammed Belkhaouda , Mohamed Bakhouch , Siti Fatimah , Mohammed Fahim , Maryam Chafiq , Abdelkarim Chaouiki , Young Gun Ko
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Abstract

Synthesis of transition metal complexes (TMC) having specific characteristics is advantageous for combining their organic and inorganic properties, to help prevent metals from corrosion. In this study, the corrosion inhibition behavior of [N, N′-bis(salicylidene)-2,2-dimethyl-1,3-propanediaminato] copper (II) (CuL) on the surface of XC18 steel surface immersed in 1.0 M HCl was investigated. The thermodynamic and kinetic corrosion parameters were determined using the mass loss (ML) and electrochemical measurement methods. CuL exhibited a good corrosion inhibition efficiency of 96.72 %. The adsorption behavior of CuL followed the Langmuir isotherm model, indicating both physical and chemical interactions. Morphological structural analysis demonstrated that CuL formed a protective film between the surface of XC18 steel and the corrosives elements, thus confirming its adsorption onto XC18 steel surface. Theoretical calculations were consistent with the experimental findings, thereby confirming that the adsorption of CuL onto the steel surface comprises both physisorption and chemisorption processes. These calculations elucidate the specific bonding nature and emphasize the significant inter- and intra-molecular interactions that enhance the stability and adsorption capability of the CuL inhibitor. The successful formation of a protective layer on the surface of XC18 steel using a TMC signifies exciting prospects for the development of advanced materials with diverse applications.
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使用新型过渡金属复合物对 XC18 钢进行表面功能化处理,以获得显著的腐蚀性能:经验和理论研究
合成具有特定特性的过渡金属络合物(TMC)有利于结合其有机和无机特性,帮助防止金属腐蚀。本研究考察了[N, N′-双(水杨醛)-2,2-二甲基-1,3-丙二胺]铜 (II) (CuL)对浸入 1.0 M HCl 的 XC18 钢表面的缓蚀行为。采用质量损失(ML)和电化学测量方法测定了热力学和动力学腐蚀参数。CuL 的缓蚀效率高达 96.72%。CuL 的吸附行为遵循 Langmuir 等温线模型,表明了物理和化学的相互作用。形态结构分析表明,CuL 在 XC18 钢表面和腐蚀剂元素之间形成了一层保护膜,从而证实了其在 XC18 钢表面的吸附作用。理论计算与实验结果一致,从而证实了 CuL 在钢表面的吸附包括物理吸附和化学吸附两个过程。这些计算阐明了 CuL 抑制剂的特定键合性质,并强调了分子间和分子内的重要相互作用,这些相互作用增强了 CuL 抑制剂的稳定性和吸附能力。使用 TMC 在 XC18 钢表面成功形成保护层,为开发具有多种应用的先进材料带来了令人振奋的前景。
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来源期刊
Materials Chemistry and Physics
Materials Chemistry and Physics 工程技术-材料科学:综合
CiteScore
8.70
自引率
4.30%
发文量
1515
审稿时长
69 days
期刊介绍: Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.
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