3-Ethyl-4-amino-5-mercapto-1,2,4-triazole as a Corrosion Inhibitor for 6061/Al -15 vol% SiCp Composite in a Sodium Hydroxide Solution

The inhibition efficiency of 3-ethyl-4-amino-5-mercapto-1,2,4-triazole (EAMT) on the corrosion of 6061/Al-15 vol% SiC p composite in different concentrations of sodium hydroxide solution has been investigated in the 30-50°C temperature range using Tafel and electrochemical impedance spectroscopic te...

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Published in:Synthesis and reactivity in inorganic, metal-organic, and nano-metal chemistry metal-organic, and nano-metal chemistry, 2011-01, Vol.41 (7), p.774-784
Main Authors: Kumari, P. D. Reena, Nayak, Jagannath, Shetty, A. Nityananda
Format: Article
Language:English
Subjects:
Adsorption
Al-SiC
alkaline corrosion
Aluminum
Aluminum base alloys
Carbides
composites
Corrosion inhibitors
electrochemical techniques
Inhibition
Nanostructure
Silicon carbide
Surface chemistry
triazole derivative
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container_title Synthesis and reactivity in inorganic, metal-organic, and nano-metal chemistry
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creator Kumari, P. D. Reena
Nayak, Jagannath
Shetty, A. Nityananda
description The inhibition efficiency of 3-ethyl-4-amino-5-mercapto-1,2,4-triazole (EAMT) on the corrosion of 6061/Al-15 vol% SiC p composite in different concentrations of sodium hydroxide solution has been investigated in the 30-50°C temperature range using Tafel and electrochemical impedance spectroscopic techniques. The inhibitor efficiency depends on the concentration of the inhibitor, concentration of the corrosive media, and temperature. The inhibition was assumed to occur through adsorption of the inhibitor molecule on the metal surface. The adsorption of the inhibitor on the metal surface is found to obey Langmuir adsorption isotherm. Thermodynamic parameters for the adsorption processes were determined from the experimental data.
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subjects Adsorption
Al-SiC
alkaline corrosion
Aluminum
Aluminum base alloys
Carbides
composites
Corrosion inhibitors
electrochemical techniques
Inhibition
Nanostructure
Silicon carbide
Surface chemistry
triazole derivative
title 3-Ethyl-4-amino-5-mercapto-1,2,4-triazole as a Corrosion Inhibitor for 6061/Al -15 vol% SiCp Composite in a Sodium Hydroxide Solution
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