Experimental and theoretical studies of 2-cyano-N-(4-morpholinobenzyldine) acetohydrazide as corrosion inhibitor for galvanized steel and 304 stainless steel in 1M H2SO4 solution

被引：8

作者：

Gaber, Ghalia A. ^{[1
]}

Hosny, Shimaa ^{[2
]}

Mohamed, Lamiaa Z. ^{[3
]}

机构：

[1] Al Azhar Univ, Fac Sci Girls, Dept Chem, POB 11754,Yousef Abbas Str, Cairo, Egypt

[2] New Valley Univ, Fac Sci, Chem Dept, El Kharga 72511, Egypt

[3] Cairo Univ, Fac Engn, Min Petr & Met Engn Dept, Cairo, Egypt

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2021年 / 16卷 / 12期

关键词：

Corrosion inhibitor; Galvanized steel; 304 stainless steel; Acidic solution; 2-cyano-N-(4-morpholinobenzyldine) acetohydrazide; MILD-STEEL; CARBON-STEEL; DERIVATIVES; ACID;

D O I：

10.20964/2021.12.14

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A 2-cyano-N-(4-morpholinobenzyldine) acetohydrazide is used as a corrosion inhibitor for both galvanized steel (GS) and 304 stainless steel (304 SS) in 1M H2SO4. The corrosion inhibition efficiency of GS and 304 SS in 1M H2SO4 were studied using both chemical (weight-loss (WL)) and electrochemical techniques. The obtained results were used for calculating the inhibition effectiveness, corrosion rate (CR), and adsorption characteristics. The inhibitors adhere to the Langmuir adsorption isotherm on the investigated different surfaces. The SEM micrographs were investigated of GS and 304 SS with and without inhibitors at optimum conditions. The inhibitor led to a smooth and dense protective layer formation. Quantum chemical investigation of 2-cyano-N-(4-morpholinobenzyldine) acetohydrazide was studied.

引用

页数：14

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