Inhibitive Characteristics of Cefalexin Drug Addition on Corrosion Evolution of Mild Steel in a Chloride Medium

被引：0
|
作者：
Fayomi, O. S., I [1 ,4 ]
Akande, I. G. [2 ]
Daramola, D. [3 ]
Oluwadare, G. A. [3 ]
Popoola, A. P., I [4 ]
机构：
[1] Covenant Univ, Dept Mech Engn, Ota, Ogun State, Nigeria
[2] Univ Ibadan, Dept Mech Engn, Ibadan, Oyo State, Nigeria
[3] Bells Univ Technol, Dept Mech & Biomed Engn, Ota, Ogun State, Nigeria
[4] Tshwane Univ Technol, Dept Chem Met & Mat Engn, Pretoria, South Africa
来源：
PORTUGALIAE ELECTROCHIMICA ACTA | 2021年 / 39卷 / 02期
关键词：
Mild steel; polarization; interfaces; passivation and Cefalexin; ANTIBACTERIAL DRUGS; CARBON-STEEL; HCL; MECHANISM; PERFORMANCE; ADSORPTION;
D O I：
10.4152/pea.202102155
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The inhibition effect of Cefalexin on mild steel corrosion in sodium chloride has been examined with the use of electrochemical potentiodynamic polarization techniques, weight loss measurements and computational studies. Cefalexin showed good protection ability by adsorbing onto the mild steel surface. The mixed inhibition characteristics of Cefalexin were revealed by the potentiodynamic polarization results. The inhibitor efficiency was found to be above 65%, obeying the Langmuir and Freundlich isotherm law, with a correlation regression coefficient of R-2 = 0.9984 and R-2 = 0.9488, respectively, establishing the reliability on Cefalexin as an inhibitor.
引用
收藏
页码：155 / 163
页数：9
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