Niharika P. Kaushik, Padmalatha Rao, Namitha Kedimar, Suma A. Rao
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引用次数: 0
摘要
使用葡萄籽提取物（GSE）作为可能的绿色抑制剂，对 1 M 氨基磺酸中的低碳钢进行了腐蚀抑制研究。采用电化学技术测量了 GSE 不存在和存在时的腐蚀速率。通过改变抑制剂的浓度和温度，对条件进行了标准化，以获得最佳抑制效率。动力学参数采用阿伦尼乌斯方程进行计算。利用扫描电子显微镜（SEM）和原子力显微镜（AFM）技术进行了表面分析。为缓蚀过程提出了合适的机理。根据电位极化（PDP）研究，在 303 K 时，浓度为 0.24 g/L 的葡萄籽提取物的最大效率为 65%。随着温度的升高，效率有所降低，这是 GSE 抑制剂物理吸附的结果。表面形态研究证实了 GSE 在低碳钢上的吸附作用。GSE 是一种具有环境效益的高效绿色抑制剂。
Grape Seed Extract as an Environment-Friendly Green Inhibitor for Corrosion of Mild Steel in 1 M Sulfamic Acid
A corrosion inhibition study of mild steel in 1 M sulfamic acid was conducted using grape seed extract (GSE) as a possible green inhibitor. Electrochemical techniques were adopted to measure the corrosion rate in both the absence and presence of the GSE. Conditions were standardized to obtain optimum inhibition efficiency by varying the concentration of inhibitor and temperature. The kinetic parameters were calculated using the Arrhenius equation. Surface analysis was conducted by scanning electron microscope (SEM) and atomic force microscope (AFM) techniques. A suitable mechanism was proposed for the corrosion inhibition process. Grape seed extract showed a maximum efficiency of 65%, with a concentration of 0.24 g/L at 303 K from potentiodynamic polarization (PDP) studies. With the increase in temperature, the efficiency decreased, resulting in the GSE inhibitor’s physical adsorption. Surface morphology studies supported the adsorption of GSE on mild steel. GSE acted as an efficient green inhibitor with environmental benefits.
期刊介绍：
ASM International''s Journal of Materials Engineering and Performance focuses on solving day-to-day engineering challenges, particularly those involving components for larger systems. The journal presents a clear understanding of relationships between materials selection, processing, applications and performance.
The Journal of Materials Engineering covers all aspects of materials selection, design, processing, characterization and evaluation, including how to improve materials properties through processes and process control of casting, forming, heat treating, surface modification and coating, and fabrication.
Testing and characterization (including mechanical and physical tests, NDE, metallography, failure analysis, corrosion resistance, chemical analysis, surface characterization, and microanalysis of surfaces, features and fractures), and industrial performance measurement are also covered
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