Corrosion Protection of AISI 304 Stainless Steel with Melting Gel Coatings

被引：42
|
作者：
Aparicio, M. [1 ]
Jitianu, A. [2 ,3 ]
Rodriguez, G. [2 ]
Degnah, A. [4 ]
Al-Marzoki, K. [4 ]
Mosa, J. [1 ]
Klein, L. C. [4 ]
机构：
[1] CSIC, Inst Ceram & Vidrio, Kelsen 5 Campus Cantoblanco, Madrid 28049, Spain
[2] CUNY Herbert H Lehman Coll, Dept Chem, Davis Hall,250 Bedford Pk Blvd West, Bronx, NY 10468 USA
[3] CUNY, Grad Ctr, New York, NY 10016 USA
[4] Rutgers State Univ, Dept Mat Sci & Engn, 607 Taylor Rd, Piscataway, NJ 08854 USA
来源：
ELECTROCHIMICA ACTA | 2016年 / 202卷
基金：
美国国家科学基金会;
关键词：
Melting Gels; Sol-Gel; Coatings; 304 Stainless Steel; corrosion protection; STAINLESS-STEEL; HYBRID COATINGS; SILICA; FILMS; BEHAVIOR; GLASS; METHYLTRIETHOXYSILANE; DEPOSITION; RAMAN;
D O I：
10.1016/j.electacta.2015.12.142
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Methyl-substituted melting gels were used to coat AISI 304 stainless steel substrates. Crack-free coatings up to 1 mm in thickness were obtained. SEM micrographs of cross-sections confirm good adhesion to the surface. Samples were subjected to structural characterization using FT-IR, and Raman spectroscopy. Mechanical properties were investigated by micro-scratch tests. Electrochemical analyses (anodic polarization and electrochemical impedance spectroscopy) were performed in 3.5% NaCl solutions. Electrochemical tests show excellent performance of the coatings against corrosion with no sign of degradation after several months of immersion. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：325 / 332
页数：8
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