A theoretical study of two novel Schiff bases as inhibitors of carbon steel corrosion in acidic medium

2019 ◽  
Vol 125 (2) ◽  
Author(s):  
Rahman Padash ◽  
Mehdi Rahimi-Nasrabadi ◽  
Ali Shokuhi Rad ◽  
Ali Sobhani-Nasab ◽  
Teofil Jesionowski ◽  
...  
Keyword(s):  
Carbon Steel ◽  
Schiff Bases ◽  
Acidic Medium ◽  
Theoretical Study ◽  
Steel Corrosion

Electrochemical and theoretical quantum approaches on the inhibition of C1018 carbon steel corrosion in acidic medium containing chloride using some newly synthesized phenolic Schiff bases compounds

2015 ◽  
Vol 743 ◽  
pp. 120-133 ◽  
Author(s):  
Hany M. Abd El-Lateef ◽  
Ahmed M. Abu-Dief ◽  
L.H. Abdel-Rahman ◽  
Eva Carolina Sañudo ◽  
Núria Aliaga-Alcalde
Keyword(s):  
Carbon Steel ◽  
Schiff Bases ◽  
Acidic Medium ◽  
Steel Corrosion

Gemini Cationic Schiff Bases and Their Metal Complexes in Preventing Carbon Steel Dissolution in Acidic Medium

2018 ◽  
Vol 54 (3) ◽  
pp. 307-318 ◽  
Author(s):  
Sadeek A. Sadeek ◽  
Ahmed F. El Farrargy ◽  
Mohamed Abd El Raouf ◽  
Nabel A. Negm
Keyword(s):  
Carbon Steel ◽  
Metal Complexes ◽  
Schiff Bases ◽  
Acidic Medium

scholarly journals Epoxy pre-polymers as new and effective materials for corrosion inhibition of carbon steel in acidic medium: Computational and experimental studies

2021 ◽  
Author(s):  
Omar Dagdag ◽  
Zaki Safi ◽  
Rachid Hsissou ◽  
Hamid Erramli ◽  
Mehdi El Bouchti ◽  
...  
Keyword(s):  
Carbon Steel ◽  
Corrosion Inhibition ◽  
Acidic Medium ◽  
Density Functional ◽  
Experimental Studies ◽  
Steel Corrosion ◽  
Attenuated Total Reflection ◽  
Computational Techniques ◽  
Functional Theory ◽  
Different Temperatures

Present study is designed for the synthesis, characterization and corrosion inhibition behavior of two diamine aromatic epoxy pre-polymers (DAEPs) namely, N1,N1,N2,N2-tetrakis (oxiran-2-ylmethyl) benzene-1,2-diamine (DAEP1) and 4-methyl-N1,N1,N2,N2-tetrakis (oxiran-2-ylmethyl) benzene-1,2-diamine (DAEP2) for carbon steel corrosion in acidic medium. Synthesized DAEPs were characterized using spectral (Nuclear magnetic resonance (1H NMR) and Fourier transform infrared-attenuated total reflection (FTIR-ATR)) techniques. Viscosity studies carried out at four different temperatures (20–80 °C) increase in temperature causes significant reduction in their viscosities. The anticorrosive properties of DAEPs differing in the nature of substituents, for carbon steel corrosion in 1 M HCl solution was evaluated using several experimental and computational techniques. Both experimental and computational studies showed that inhibitor (DAEP2) that contains electron releasing methyl (-CH3) showed higher protectiveness as compared to the inhibitor (DAEP1) without substituent (-H). Electrochemical results demonstrate that DAEPs act as reasonably good inhibitors for carbon steel in 1 M HCl medium and their effectiveness followed the sequence: DAEP2 (92.9%) > DAEP1 (91.7%). The PDP results show that the diamine aromatic epoxy pre-polymers molecules (DAEPs) act as mixed type inhibitors. Electrochemical study was also supported using scanning electron microscopy (SEM) method were significant improvement in the surface morphology of inhibited (by DAEPs) metallic specimens was obtained. Results derived from computational density functional theory (DFT) and molecular dynamics (MD) simulationsand studies were consistent with the experimental results derived from SEM, EIS and PDP electrochemical studies. Adsorption of the DAEPs obeyed the Langmuir adsorption isotherm model.

Electrochemical and theoretical study of the inhibition effect of two synthesized thiosemicarbazide derivatives on carbon steel corrosion in hydrochloric acid solution

RSC Advances ◽  
2015 ◽  
Vol 5 (27) ◽  
pp. 20838-20847 ◽  
Author(s):  
Shirin Shahabi ◽  
Parviz Norouzi ◽  
Mohammad Reza Ganjali
Keyword(s):  
Carbon Steel ◽  
Hydrochloric Acid ◽  
Acid Solution ◽  
Hydrochloric Acid Solution ◽  
Theoretical Study ◽  
Steel Corrosion ◽  
Inhibition Effect ◽  
Thiosemicarbazide Derivatives

The inhibition effect of two synthesized thiosemicarbazide derivatives on carbon steel corrosion was studied experimentally (FFT-Voltammetry) and theoretically.

The inhibition of carbon-steel corrosion in seawater by streptomycin and tetracycline antibiotics: An experimental and theoretical study

Desalination ◽  
2016 ◽  
Vol 400 ◽  
pp. 7-17 ◽  
Author(s):  
Maryam Dehdab ◽  
Zahra Yavari ◽  
Mahdieh Darijani ◽  
Afshar Bargahi
Keyword(s):  
Carbon Steel ◽  
Theoretical Study ◽  
Steel Corrosion ◽  
Tetracycline Antibiotics
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