Search Results - "MOAYED, M. H"

Critical pitting temperature dependence of 2205 duplex stainless steel on dichromate ion concentration in chloride medium by Ebrahimi, N., Moayed, M.H., Davoodi, A.

“…► A 12 °C increase in the CPT was found by the addition of 0.01 M Cr 2 O 7 2 - to 0.1 M NaCl solution. ► No pitting corrosion was observed in a solution that…”
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Theoretical and electrochemical assessment of inhibitive behavior of some thiophenol derivatives on mild steel in HCl by Kosari, A., Momeni, M., Parvizi, R., Zakeri, M., Moayed, M.H., Davoodi, A., Eshghi, H.

“…► Two synthesized organic compounds were experimentally and theoretically investigated. ► All investigated compounds showed physisorption on the surface. ►…”
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Correlation between critical pitting temperature and degree of sensitisation on alloy 2205 duplex stainless steel by Ebrahimi, N., Momeni, M., Moayed, M.H., Davoodi, A.

“…► Correlation between DOS and CPT on DSS2205 has been investigated. ► By increase in ageing time DOS increases and CPT decreases. ► Effect of ageing in 800 °C…”
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Evolution of current transients and morphology of metastable and stable pitting on stainless steel near the critical pitting temperature by Moayed, M.H., Newman, R.C.

“…Type 904L austenitic stainless steel with a critical pitting temperature (CPT) of 56 °C was polarized at 750 mV (Ag/AgCl) in 1 M NaCl at 45, 49 and 54 °C…”
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Dependence of the Critical Pitting Temperature on surface roughness by Moayed, M.H., Laycock, N.J., Newman, R.C.

“…It has been known for many years that highly alloyed stainless steels display a critical pitting temperature (CPT), which is the lowest temperature at which…”
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Deterioration in critical pitting temperature of 904L stainless steel by addition of sulfate ions by Moayed, M.H., Newman, R.C.

“…This paper deals with the effect of adding sulfate on the critical pitting temperature (CPT) of highly alloyed austenitic stainless steel. A large number of…”
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In Situ Synthesis of 2-Phenylbenzimidazole as an Hydrogen Sulfide Corrosion Inhibitor of Carbon Steel by POURNAZARI, Sh, MOAYED, M. H, RAHIMIZADEH, M

“…Hydrogen sulfide corrosion inhibition of carbon steel has been evaluated using the combination of benzene-1,2-diamine, benzaldehyde, and FeCl3 to in situ…”
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Improving the corrosion behaviour of powder metallurgical 316L alloy by prepassivation in 20% nitric acid by Kargar, B. Shahabi, Moayed, M.H., Babakhani, A., Davoodi, A.

“…► Prepassivation treatment interestingly improves the corrosion resistance of PM 316L stainless steels. ► A higher crevice resistance is also observed for the…”
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New High-Resolution Solution for Measuring Degree of Sensitization of Duplex Stainless Steel 2205 Using Double-Loop Electrochemical Potentiodynamic Reactivation Technique by HASHEMI, B, DAVOODI, A, MOMENI, M, MOAYED, M. H

“…In the present work, a new high-resolution solution for measuring degree of sensitization (DOS) of duplex stainless steel (DSS) 2205 (UNS S31803) by double…”
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Electrochemical and quantum chemical assessment of two organic compounds from pyridine derivatives as corrosion inhibitors for mild steel in HCl solution under stagnant condition and hydrodynamic flow by Kosari, A., Moayed, M.H., Davoodi, A., Parvizi, R., Momeni, M., Eshghi, H., Moradi, H.

“…•Pyridine-2-thiol, P2T, and 2-Pyridyl disulfide, 2PD, are good inhibitors.•P2T and 2PD reveal 98% efficiency in 200mg/L concentration at stagnant…”
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EIS examination of mill scale on mild steel with polyester–epoxy powder coating by Naderi, R, Attar, M.M, Moayed, M.H

“…Mill scale exists as a thin layer on mild steel. This layer is unstable and cracks easily under mechanical and thermal shocks and this may lead to serious…”
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In situ inhibitor synthesis from admixture of benzaldehyde and benzene-1,2-diamine along with FeCl3 catalyst as a new corrosion inhibitor for mild steel in 0.5 M sulphuric acid by POURNAZARI, Sh, MOAYED, M. H, RAHIMIZADEH, M

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Establishing a New Solution Based on Hydrochloric Acid/Sodium Thiosulfate for Detecting and Measuring Degree of Sensitization of Stainless Steels Using Double-Loop Electrochemical Potentiodynamic Reactivation Method by MOMENI, M, ALE-YASSIN, A, MOAYED, M. H

“…In this study, a new solution based on hydrochloric acid (HCl) and sodium thiosulfate (Na2S2O3) has been developed for detecting and measuring degree of…”
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EIS assessment of critical pitting temperature of 2205 duplex stainless steel in acidified ferric chloride solution by Hoseinpoor, M., Momeni, M., Moayed, M.H., Davoodi, A.

“…•Critical pitting temperature estimated by impedance measurement in FeCl3 solution.•Results verified by ASTM G48, zero resistance ammeter and polarisation…”
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Critical pitting temperature (CPT) assessment of 2205 duplex stainless steel in 0.1 M NaCl at various molybdate concentrations by Eghbali, F., Moayed, M.H., Davoodi, A., Ebrahimi, N.

“…► Demonstrating beneficial effect of MoO 4 2 - on CPT of 2205 DSS. ► A 10 °C increase in CPT was obtained by addition of 0.01 M MoO 4 2 - . ► No pitting…”
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A comparative study of critical pitting temperature (CPT) of stainless steels by electrochemical impedance spectroscopy (EIS), potentiodynamic and potentiostatic techniques by Ebrahimi, N., Momeni, M., Kosari, A., Zakeri, M., Moayed, M.H.

“…► A new method for determining the CPT based on EIS was successfully introduced. ► DSS2205 and 20Cr–28Ni alloys were used to verify this new method. ► CPT…”
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Investigation on the effect of nitrate ion on the critical pitting temperature of 2205 duplex stainless steel along a mechanistic approach using pencil electrode by Zakeri, M., Moayed, M.H.

“…•Effect chloride/nitrate solution on 2205 DSS CPT is investigated.•Presence of nitrate ion changes pit solution chemistry.•Nitrate increase pit solution…”
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Theoretical and experimental investigations on corrosion control of 65Cu–35Zn brass in nitric acid by two thiophenol derivatives by Ebrahimzadeh, M., Gholami, M., Momeni, M., Kosari, A., Moayed, M.H., Davoodi, A.

“…•Two organic compounds were studied as corrosion inhibitor for brass.•Three equivalent circuits were used to fit the impedance spectra.•Langmuir isotherm was…”
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The mechanism of lacy cover formation in pitting by ERNST, P, LAYCOCK, N. J, MOAYED, M. H, NEWMAN, R. C

“…An open hemispherical pit in stainless steel is unstable because the concentration of dissolved cations must fall well below saturation near the rim of the…”
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Enhanced corrosion protection of mild steel by the synergetic effect of zinc aluminum polyphosphate and 2-mercaptobenzimidazole inhibitors incorporated in epoxy-polyamide coatings by Mirzakhanzadeh, Z., Kosari, A., Moayed, M.H., Naderi, R., Taheri, P., Mol, J.M.C.

“…•Epoxy coating was formulated with Zn Al polyphosphate and 2-mercaptobenzimidazole.•Corrosion protection by doped coatings was enhanced by the mixture of ZAPP…”
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