In this article, a novel type of core@shell Linde type A zeolite@Mg-Al layered double hydroxides (zeolite-LTA@ Mg-Al LDHs) was fabricated via in situ co-deposition method for efficient corrosion protection of carbon steel. The corrosion inhibition effect of fabricated zeolite-LTA@ Mg-Al LDH on steel was decided by a comparative experiment in saturated Ca(OH)₂ solution. The batch experiment on the equilibrium isotherms of chloride binding in the solution clearly demonstrated that compared to pure Mg-Al LDHs, the zeolite-LTA@Mg-Al LDHs exhibited an higher chloride binding capacity due to the highly dispersed LDHs with large surface area on the zeolite-LTA support. In addition, a better corrosion inhibition capacity of zeolite-LTA@Mg-Al LDHs was proved by the measurements of open-circuit potential (OCP), electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (PP) and optical microscopy (OM). Some nitrate ions on the steel surface detected by X-ray photoelectron spectroscopy (XPS) confirmed the dual effects of aggressive chloride removal and simultaneously released NO₃⁻, which were responsible for the ultimate inhibition effect of zeolite-LTA@Mg-Al LDHs.

在本文中，通过原位共沉积方法制备了一种新型核@壳林德 A 型沸石@Mg-Al 层状双氢氧化物（沸石-LTA@Mg-Al LDHs），以有效地保护碳钢。制备的沸石-LTA@Mg-Al LDH对钢的缓蚀效果由饱和Ca(OH) _{2 中}的对比实验决定解决方案。溶液中氯离子结合的平衡等温线的批量实验清楚地表明，与纯 Mg-Al LDHs 相比，沸石-LTA@Mg-Al LDHs 表现出更高的氯离子结合能力，因为在沸石-LTA 载体。此外，通过开路电位（OCP）、电化学阻抗谱（EIS）、动电位极化（PP）和光学显微镜（OM）的测量证明沸石-LTA@Mg-Al LDHs具有更好的缓蚀能力。通过 X 射线光电子能谱 (XPS) 检测到的钢表面上的一些硝酸根离子证实了积极去除氯化物和同时释放 NO ₃ ^-的双重作用，这是沸石-LTA@Mg-Al LDHs 最终抑制作用的原因。