Journal ArticleDOI
The inhibition of corrosion and hydrogen embrittlement of AISI 410 stainless steel
R. Agrawal,T. K. G. Namboodhiri +1 more
TLDR
In this article, a study was carried out on the inhibition of corrosion and hydrogen embrittlement of AISI 410 stainless steel by two organic inhibitors, namely benzotriazole and benzonitrile.Abstract:
A study was carried out on the inhibition of corrosion and hydrogen embrittlement of AISI 410 stainless steel by two organic inhibitors, namely benzotriazole and benzonitrile. Tensile testing, scanning electron microscopy, weight loss measurements and potentiodynamic polarization were the techniques used for this study. Tensile tests showed that 410 steel is highly susceptible to hydrogen stress cracking. Scanning electron microscopic observations of fracture surfaces showed a brittle quasi-cleavage type of failure when the steel was hydrogen charged from 0.5m H2SO4. Both inhibitors reduced hydrogen induced ductility loss though the fracture mode was unaltered. They showed increasing inhibition efficiencies for corrosion as well as cathodic hydrogen evolution as their concentration in H2SO4 increased from 3.9×10−5m to 8.4×10−3m. Benzonitrile was found to be a more efficient inhibitor than benzotriazole for AISI 410 stainless steel exposed to 0.5m H2SO4.read more
Citations
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Electrochemical and XPS studies of decylamides of α-amino acids adsorption on carbon steel in acidic environment
O. Olivares,O. Olivares,Natalya V. Likhanova,Badhin Gómez,Juan Navarrete,M.E. Llanos-Serrano,Elsa M. Arce,J.M. Hallen +7 more
TL;DR: In this article, the authors used gravimetric and electrochemical techniques to investigate the effect of decylamides of α-amino acids derivatives on steel surface protection in hydrochloric acid.
Journal ArticleDOI
Synergistic inhibition between o-phenanthroline and chloride ion on cold rolled steel corrosion in phosphoric acid
Guan Nan Mu,Xueming Li,Fei Li +2 more
TL;DR: In this paper, the effects of single o-phenanthroline and the mixture of various concentrations of NaCl and 0.0002 m o-phosphoric acid on the corrosion of cold rolled steel in 1.0-4.0 m phosphoric acid have been investigated by using weight loss method and polarization method.
Journal ArticleDOI
Understanding the adsorption of 4H-1,2,4-triazole derivatives on mild steel surface in molar hydrochloric acid
TL;DR: In this article, the use of 4H-triazole derivatives for corrosion and dissolution protection of mild steel in normal hydrochloric acid solution was examined by means of weight loss and electrochemical techniques such as ac impedance measurements and polarisation curves.
Journal ArticleDOI
The inhibition action of 3,6-bis(2-methoxyphenyl)-1,2-dihydro-1,2,4,5-tetrazine on the corrosion of mild steel in acidic media
TL;DR: In this article, the effect of 3,6-bis(2-methoxyphenyl)-1,2-dihydro-1, 2,4,5-tetrazine (2-MDHT) on the corrosion of mild steel in acidic media has been investigated by weight loss and various electrochemical techniques.
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Inhibiting effects of some mercapto-triazole derivatives on the corrosion of mild steel in 1.0 M HCl medium
TL;DR: In this article, the effect of some mercapto-triazole derivatives synthesized in the laboratory containing different hetero atoms and substituents in the organic structures on the corrosion and hydrogen permeation of mild steel was investigated by weight loss and various electrochemical techniques.
References
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Corrosion of Stainless Steels
TL;DR: In this article, the authors reviewed the corrosion mechanisms of stainless steel and provided a platform for selecting the suitable type of steel for any application with high corrosion resistance, such as pitting and crevice corrosion, intergranular corrosion, stress-corrosion cracking, hydrogen embrittlement, and attack by high-temperature gases.
Journal ArticleDOI
The Hydrogen Evolution Kinetics and Hydrogen Entry into a‐Iron
TL;DR: In this article, an investigation of the permeation rate of electrolytic hydrogen through Armco iron single crystals and polycrystals by an electrochemical technique is described, and the results indicate that hydrogen goes through an adsorbed intermediate state on discharge before entering the metal lattice.
Journal ArticleDOI
The inhibition of sulphuric acid corrosion of 410 stainless steel by thioureas
Reeta Agrawal,T.K.G. Namboodhiri +1 more
TL;DR: In this article, the inhibitive action of thiourea, allylthioure and n-phenylthiamourea on the corrosion behavior of martensitic 410 stainless steel in 1 N H2SO4 was investigated using weight loss measurements, potentiodynamic polarization and scanning electron microscopy.
Journal ArticleDOI
Electrochemical Characteristics of Iron in H 2 SO 4 Containing Benzotriazole
Robert J. Chin,Ken Nobe +1 more
TL;DR: The effect of benzotriazole on the corrosion of iron in has been studied in this article, and the experimental data are consistent with the slow proton discharge step for the hydrogen evolution reaction on iron.