...Osuani Fyneface Idema; Malik Abdulwahab; Innocent Okechi Arukalam; Ifeyinwa Ekeke; Chigoziri N. Njoku; Chioma Anyiam; Benedict Onyeachu; Emeka Emmanuel Oguzie Purpose Hexavalent chromium has been a benchmark corrosion inhibitor before it was phased out because of its carcinogenic properties...

...Hang Jia; Zhiming Gao; Shixiong Wu; Jia Liang Liu; Wenbin Hu Purpose This study aims to investigate the corrosion inhibitor effect of migrating corrosion inhibitor (MCI) on Q235 steel in high alkaline environment under cathodic polarization. Design/methodology/approach This study investigated...

...Halime Morovati; Mohammad Reza Noorbala; Mansoor Namazian; Hamid R. Zare; Ahmad Ali Dehghani-Firouzabadi Purpose The main purpose of the present work is to introduce two new Schiff bases as corrosion inhibitors (CIs) for carbon steel (CS). The anti-corrosion performance of these Schiff bases...

...Baoguang Ma; Cheng Chen; Xiaojun Xie; Yanhui Chen; Qiuyu Zhang; Dong Lv; Zhenguo Liu Purpose The purpose of this study is to provide effective and environmental-friendly corrosion inhibitors derived from graphene oxide for Q235 steel. Design/methodology/approach Nontoxic and environment...

... and presence of GA, there is almost no change in the corrosion mechanism regardless of the temperature. The adsorption of GA on steel surface is an exothermic process. The adsorption of GA involves physical adsorption. Practical implications The use of GA as an eco-friendly corrosion inhibitor is practical...

... resistance. The use of chemical inhibitors to decrease the rate of corrosion processes is well established among the various other corrosion control and preventive methods. A number of organic, inorganic and green inhibitors were reported as corrosion inhibitors in the past few decades. Among these, organic...

... – Extracts from the date palm were used as the main component of an environmentally friendly corrosion inhibitor for use in HCl pickling processes. Inhibition behavior on carbon steel in HCl was investigated using weight loss measurements, linear and potentiodynamic polarization curves, electrochemical...

.... Design/methodology/approach – The coatings were obtained using tetraethylorthosilicate, 3-glycidoxypropyltrimethoxysilane, titanium (IV) tetrapropoxide and poly(ethylene imine) polymer as cross-linking agents. As corrosions inhibitors, 2-mercaptobenzoxazole and salicylaldoxime were incorporated...

...) solution. Organic inhibitors are widely used to protect metals in acidic media. Among abundant suggestions for acid corrosion inhibitors, azole compounds have gained attention. Design/methodology/approach – The inhibition efficiency of the three organic compounds was investigated using...

...Reyad Shawabkeh; Rihan Rihan; Nawaf AL‐Baker Purpose The paper aims to report an experimental investigation of the effectiveness of an alkyl amine‐based inhibitor on the corrosion behavior of 1018 carbon steel in sea water . The adsorption equilibrium for this corrosion inhibitor on carbon steel...

.... Some environmentally friendly corrosion inhibitors such as acetyl thiourea chitosan (Fekry and Mohamed, 2010), ascorbic acid (Ferreira et al., 2004), succinic acid (Amin et al., 2007), etc. were reportedly developed and tested. The inhibition effect of naturally occurring biological...

... of phosphonium salt corrosion inhibitors which are highly efficient and can be employed in the area of corrosion prevention and control. Ayssar Nahlé can be contacted at: anahle@sharjah.ac.ae © Emerald Group Publishing Limited 2013 Steel Corrosion inhibitors P P′‐Bis (triphenylphosphonio...

... until a concentration in the range of 2‐6 g/L was reached. Corrosion inhibitors Steel Films (states of matter) Alkalinity Polyvinyl pyrrolidone C‐steel PVP inhibitor Adsorption mechanism KI and clay additive Electrochemical impedance spectroscopy Tafel Weight loss was one...

... quarter of the concentration range of molybdate. Fatemeh Baghaei Ravari can be contacted at: f‐baghaei@mail.uk.ac.ir © Emerald Group Publishing Limited 2012 Steels Corrosion inhibitors Cooling water Molybdate Picrate The protection of cooling water systems and heated...

... on the basis of molecular structures of the inhibitors, activation energy and free energy of adsorption. © Emerald Group Publishing Limited 2012 Brass Corrosion inhibitors Gemini surfactants Potentiodynamic polarization Electrochemical impedance Spectroscopy Adsorption Organic compound...

... in Table I . Inspections of the data obtained from EFM technique led to the following: © Emerald Group Publishing Limited 2012 Steels Corrosion inhibitors Acid cleaning Sulfamic acid Amino acids EIS EFM It is well known that the internal fouling of boiler tubes by deposits...

... (without bacteria) are shown in Figure 2 . The initial values of potential were small (see week 1), but then the potential difference increased substantially (by orders of magnitude) with longer time of exposure. © Emerald Group Publishing Limited 2012 Corrosion inhibitors Electrodes Copper...

...., 2005). However, chromate conversion involves the use of hexavalent chromium, a substance which is now recognized as both highly toxic and carcinogenic (Osborne, 2001). As a result, a significant research effort has been directed towards the development of alternative corrosion inhibitors for brass...

... as the main component of an environmentally friendly corrosion inhibitor for use in HCl pickling processes. Inhibition behavior on carbon steel in HCl was investigated by means of mass‐loss tests, polarization curves, electrochemical impedance spectroscopy and atomic force microscopy. Findings The results...

... concentrations of the corrosion inhibitor also was investigated. Design/methodology/approach Fourier transform infrared spectroscopy was used to characterise the polyaniline copolymer. Weight loss measurements, potentiodynamic polarization and electrochemical impedance spectroscopy were carried out...