Corrosion inhibition effect and adsorption behaviour of nicotinic acid derivative on mild steel in HCl media

被引：8
作者：
Al-Amiery, Ahmed [1 ,2 ]
Shaker, Lina M. [2 ]
Betti, Nadia [3 ]
机构：
[1] Univ Technol Baghdad, Energy & Renewable Energies Technol Ctr, Baghdad, Iraq
[2] Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Chem & Proc Engn, POB 43000, Bangi, Selangor, Malaysia
[3] Univ Technol Baghdad, Mat Engn Dept, Baghdad, Iraq
来源：
MATERIALS TODAY-PROCEEDINGS | 2022年 / 56卷
关键词：
Nicotinic acid; Mild; Corrosion; Steel; Langmuir; CARBON-STEEL; ENVIRONMENT;
D O I：
10.1016/j.matpr.2021.11.529
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The weight loss procedure at the Temperature range 303-333 K was examined for the corrosion inhibition of mild steel in the presence of nicotinical acid derivative in 1 M HCl environment.. Nicotinical acid derivative has potential corrosion inhibitor for mild steel in 1.0 M hydrochloric acid solution with the highest protection efficacy of 91.7% at 303 K. The weight loss findings implied that nicotinical acid derivative protects the metal surface corrosion through the creation of a protective layer at the surface mild steel-corrosive solution interface. The inhibitive efficacy increases with the increase of inhibitor concentration and decreases with increased temperature. The adsorption of the test inhibitor molecules on the mild steel surface caused inhibition. Free energy was computed and explained for the adsorption process. The adsorption mechanism obeyed Langmuir isotherms model. Copyright (c) 2021 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the International Conference on Applied Research and Engineering 2021
引用
收藏
页码：2204 / 2208
页数：5
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