Experimental and theoretical studies for mild steel corrosion inhibition in 1M HCl by two new benzothiazine derivatives

2013 ◽  
Vol 76 ◽  
pp. 317-324 ◽  
Author(s):  
T. Ghailane ◽  
R.A. Balkhmima ◽  
R. Ghailane ◽  
A. Souizi ◽  
R. Touir ◽  
...  
Keyword(s):  
Mild Steel ◽  
Corrosion Inhibition ◽  
Steel Corrosion ◽  
Theoretical Studies ◽  
Mild Steel Corrosion ◽  
Experimental And Theoretical Studies

scholarly journals Experimental and theoretical studies on inhibition of mild steel corrosion by some synthesized polyurethane tri-block co-polymers

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Sudershan Kumar ◽  
Hemlata Vashisht ◽  
Lukman O. Olasunkanmi ◽  
Indra Bahadur ◽  
Hemant Verma ◽  
...  
Keyword(s):  
Mild Steel ◽  
Steel Corrosion ◽  
Theoretical Studies ◽  
Mild Steel Corrosion ◽  
Experimental And Theoretical Studies

Experimental and theoretical studies on inhibition of benzothiazines against corrosion of mild steel in acidic medium

2017 ◽  
Vol 64 (3) ◽  
pp. 306-314 ◽  
Author(s):  
Venkatesan Hemapriya ◽  
Mayakrishnan Prabakaran ◽  
Kandasamy Parameswari ◽  
Subramaniyan Chitra ◽  
Seung-Hyun Kim ◽  
...  
Keyword(s):  
Mild Steel ◽  
Corrosion Inhibition ◽  
Quantum Chemical ◽  
Steel Corrosion ◽  
Experimental Results ◽  
Content Type ◽  
Mild Steel Corrosion ◽  
Ft Ir ◽  
Experimental And Theoretical Studies ◽  
Ft Ir Spectroscopy

Purpose The aim of this paper was to investigate the corrosion inhibition potential of two synthesized benzothiazines, namely, 3,4-dihydro-2-methoxycarbonylmethyl-3-oxo-2H-1,4-benzothiazine (1) and ethyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-2-carboxylate (2) on mild steel corrosion in 1M H2SO4. Design/methodology/approach Corrosion inhibition efficiency (IE%) was studied by weight loss measurements, potentiodyanmic polarization method, alternating current (AC) impedance spectroscopy, fourier transform infrared (FT-IR) spectroscopy and scanning electron microscopy. Quantum chemical approach was used to complement the experimental results. Findings The results obtained show that the IE% increased with inhibitor concentration and follow the order 2 > 1, obeying Langmuir adsorption isotherm. The calculated quantum chemical indices were consistent with experimental results. Originality/value This paper provides information on the inhibitive properties of new set of benzothiazines on mild steel corrosion in 1M H2SO4.

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