The effect of sol–gel surface modified silver nanoparticles on the protective properties of the epoxy coating

RSC Advances ◽  
2016 ◽  
Vol 6 (23) ◽  
pp. 18996-19006 ◽  
Author(s):  
Alireza Ghazizadeh ◽  
Seyyed Arash Haddadi ◽  
Mohammad Mahdavian
Keyword(s):  
Silver Nanoparticles ◽  
Mild Steel ◽  
Corrosion Protection ◽  
Sol Gel ◽  
Epoxy Coating ◽  
Protective Properties ◽  
Surface Modified ◽  
Effect Of Surface

In this study, the effect of surface modified silver nanoparticles on the corrosion protection of an epoxy coating on mild steel was studied.

Evaluation of the corrosion protection properties of an epoxy coating containing sol–gel surface modified nano-zirconia on mild steel

RSC Advances ◽  
2015 ◽  
Vol 5 (36) ◽  
pp. 28769-28777 ◽  
Author(s):  
S. A. Haddadi ◽  
M. Mahdavian ◽  
E. Karimi
Keyword(s):  
Mild Steel ◽  
Corrosion Protection ◽  
Sol Gel ◽  
Epoxy Coating ◽  
Surface Modified

In this study, corrosion protection of epoxy coating containing surface modified nano-zirconia was evaluated and compared to that containing unmodified nano-zirconia.

Corrosion protective properties of coatings doped with inhibitors

2014 ◽  
Vol 61 (6) ◽  
pp. 416-422 ◽  
Author(s):  
Mansoureh Parsa ◽  
Seyed Mohammad Ali Hosseini ◽  
Zahra Hassani ◽  
Effat Jamalizadeh
Keyword(s):  
Corrosion Resistance ◽  
Corrosion Protection ◽  
Electrochemical Impedance ◽  
Sol Gel ◽  
Titania Nanoparticles ◽  
Self Healing ◽  
Properties Of Coatings ◽  
Ethylene Imine ◽  
Protective Properties ◽  
Content Type

Purpose – The purpose of this paper was to study the corrosion resistance of water-based sol-gel coatings containing titania nanoparticles doped with organic inhibitors for corrosion protection of AA2024 alloy. Design/methodology/approach – The coatings were obtained using tetraethylorthosilicate, 3-glycidoxypropyltrimethoxysilane, titanium (IV) tetrapropoxide and poly(ethylene imine) polymer as cross-linking agents. As corrosions inhibitors, 2-mercaptobenzoxazole and salicylaldoxime were incorporated into the sol-gel for the improvement of the corrosion resistance. The corrosion protection performance of coatings was studied using the potentiodynamic scan and the electrochemical impedance spectroscopy (EIS) methods. Atomic force microscopy was used to investigate surface morphology of the coatings. Findings – The results indicated that doping the sol-gel coatings with inhibitors leads to improvement of the corrosion protection. The comparison of doped coatings confirmed that corrosion protection performance of the sol-gel coatings doped with 2-mercaptobenzoxazole was better than for the sol-gel coatings doped with salicylaldoxime. Also the EIS results verified self-healing effects for the sol-gel coatings doped with 2-mercaptobenzoxazole. Originality/value – This paper indicates 2-mercaptobenzoxazole and salicylaldoxime can be added as corrosion inhibitors to sol-gel coatings to improve their corrosion protective properties for AA2024 alloy.

Study of corrosion protection of mild steel by eco-friendly silane sol–gel coating

2014 ◽  
Vol 70 (3) ◽  
pp. 329-338 ◽  
Author(s):  
N. Asadi ◽  
R. Naderi ◽  
M. Saremi ◽  
S. Y. Arman ◽  
M. Fedel ◽  
...  
Keyword(s):  
Mild Steel ◽  
Corrosion Protection ◽  
Sol Gel

scholarly journals Corrosion behavior of duplex polyaniline/epoxy coating on mild steel in 3% NaCl

2005 ◽  
Vol 59 (11-12) ◽  
pp. 317-320
Author(s):  
Milica Gvozdenovic ◽  
Branimir Grgur ◽  
Zorica Kacarevic-Popovic ◽  
Vesna Miskovic-Stankovic
Keyword(s):  
Mild Steel ◽  
Corrosion Protection ◽  
Corrosion Behavior ◽  
Epoxy Coating ◽  
Constant Current ◽  
Pani Film ◽  
Electrode Position ◽  
Gravimetric Analysis ◽  
Epoxy Coatings ◽  
New Findings

The corrosion behavior and thermal stability of epoxy coatings electrodeposited on mild steel and on mild steel with electrochemically deposited polyaniline (PANI) film were investigated by electrochemical impedance spectroscopy (EIS) and thermo gravimetric analysis (TGA). The aim of the paper was to present new findings on the corrosion protection of mild steel by a duplex PANI/-epoxy coating in 3% NaCI solution and to determine the effect of thin PANI film on the protective properties of the coating. PANI film was deposited electrochemically on mild steel from an aqueous solution of 0.5 mol dm"3 sodium benzoate and 0.1 mol dm"3 aniline at a constant current density of 1.5 mA cm"2. Non-pigmented epoxy coatings on mild steel and on mild steel with PANI film were obtained by cathodic electrode position at constant voltage and stirring conditions. The resin concentration in the electrode position bath was 10 wt.% solid dispersion in water at pH 5.7. The applied voltage was 250 V, the temperature 26?C and the deposition time 3 min. It was shown that thin PANI film could be used to modify the surface of mild steel prior to epoxy coating deposition, due to the increased corrosion protection of a duplex PANI/epoxy coating comparing to an epoxy coating on mild steel in 3% NaCl solution.

Long-term corrosion protection of mild steel by epoxy coating containing self-doped polyaniline nanofiber

2017 ◽  
Vol 229 ◽  
pp. 39-46 ◽  
Author(s):  
Shihui Qiu ◽  
Cheng Chen ◽  
Wenru Zheng ◽  
Wei Li ◽  
Haichao Zhao ◽  
...  
Keyword(s):  
Mild Steel ◽  
Corrosion Protection ◽  
Epoxy Coating ◽  
Doped Polyaniline ◽  
Polyaniline Nanofiber
Sign in / Sign up

Export Citation Format

Share Document