Corrosion Characteristics of 304 Stainless Steel in Sodium Chloride and Sulfuric Acid Solutions

被引：11
|
作者：
Abdelfatah, Aliaa [1 ]
Raslan, A. M. [2 ]
Mohamed, Lamiaa Z. [1 ]
机构：
[1] Cairo Univ, Fac Engn, Min Petr & Met Engn Dept, Giza, Egypt
[2] Atom Energy Author, Met Dept, Mat Div, Nucl Res Ctr, Cairo, Egypt
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2022年 / 17卷 / 04期
关键词：
Corrosion; 304 Stainless steel; Sodium chloride; Sulfuric acid; STAINLESS-STEEL; PITTING CORROSION; INHIBITOR; BEHAVIOR; H2SO4;
D O I：
10.20964/2022.04.29
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Corrosion behavior of austenitic stainless steel 304 (SS) in various concentrations of H2SO4 and NaCl solutions was investigated using chemical and electrochemical techniques. Corrosion rate was measured by weight-loss and potentiodynamic polarization. The effects of acid concentrations and voltage scan rate were studied by cyclic voltammetry. Corrosion rate of 304 SS decreases with increasing NaCl concentrations. On the other hand, corrosion rate increasing with increasing the H2SO4 concentrations. The surface morphology was characterized by SEM. The elemental analysis was examined by EDX and the elemental distribution by mapping of the corroded 304 SS in different media.
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页数：14
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