Chloride media
Effect of Molybdate, Nitrite and Zinc Ions on the Corrosion Inhibition of Mild Steel in Aqueous Chloride Media Containing Cupric Ions
... Most investigators have been used electrochemical technique for the evaluation of the inhibitive action of molybdate. However, determination of the corrosion rate of steel by electrochemical technique is a highly tedious ...
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Electrochemical Noise Analysis of Different Herbal Compounds for Copper Exposed to Chloride Media.
... reported that the chemical composition of the studied herbals were rich in oxygen functional groups such as aldehyde, hydroxyl and hydroxyl acid [23-26]. The presence of such groups might be the main cause of the ...
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Pitting corrosion evaluation of austenitic stainless steel type 304 in acid chloride media
... in chloride, bromide, chloride/sulphide, bromide/ sulphide and chloride/thiosulphate media [6-12] reflecting the preeminence of austenitic stainless steel as construction material for many ...
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Comparative Electrochemical Noise Study of the Corrosion of Different Alloys Exposed to Chloride Media
... This paper describes the corrosion behavior of aluminum, copper, and mild steel when exposed to chloride media using both electrochemical noise analysis (ENA) and electrochemical impedance spectroscopy ...
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Electrodeposition of Au on Reticulated Vitreous Carbon From Chloride Media by an Electrogenerative Process
... non-cyanide media by using an electrogenerative process, monitoring the morphological changes of gold nanoparticles electrodeposited on RVC and PG and exploring the possibilities of electrogenerative deposition of ...
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Electrochemical Analysis of AA6082 Aluminium Alloy in Chloride Media
... in chloride-containing ...of chloride concentration, pH and dissolved oxygen on the repassivation behaviour of AA6082-T6 aluminium ...in chloride-containing ...
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Effective Protection for Copper Corrosion by Two Thiazole Derivatives in Neutral Chloride Media: Experimental and Computational Study
... Prior to each experiment, the copper specimens were abraded consecutively with a series of emery papers (400, 800, 1600, 2000 grit). And then, they were washed ultrasonically with ultrapure water, degreased with acetone, ...
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Use of EIS, Polarization and Electrochemical Noise Measurements to Monitor the Copper Corrosion in chloride media at different temperatures
... 0.06 mol/L NaCl solution was used as corrosive media and prepared from analytical grade NaCl (Sinopharm Chemical Reagent Co., Ltd.) and double distilled water. High purity copper specimens (99.99%) obtained from ...
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Data on the Corrosion Resistance and Polarization Behaviour of Lean Austenitic and Ferritic Stainless Steels in Neutral Chloride Media
... Stainless steels are extensively applied in diverse industries due to their exceptional corrosion resistance. The corrosion resistance of alloy stainless steels (316L austenitic and 430Ti ferritic stainless steel) was ...
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The contribution of hydrogen to the corrosion of 2024 aluminium alloy exposed to thermal and environmental cycling in chloride media
... on the stress level and the grain boundary cohesion, which might have been weakened by hydrogen and/or by selective anodic disso- lution. The propagation of the corrosion defects, assisted by stres- ses, leads to a shift ...
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The Effect of Solution pH of Permanganate Coating on the Electrochemical Characteristics of ZE41 Magnesium Alloy in Chloride Media
... The corrosion resistance of as-abraded and permanganate coated ZE41 Mg-Zn-rare earth alloy panels at pH 5.5, 7.5 and 9.5 were investigated in corrosive 3.5% NaCl solution. According to Nyquist plots (Fig. 5), the best ...
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Extraction of Palladium from Acidic Chloride Media into Emulsion Liquid Membranes using LIX 984N C®
... A new efficient carrier, LIX 984N-C, has been intro- duced for the extraction of palladium from acidic chlo- ride media by an ELM method. A stable W/O emulsion was formulated with 7 M HCl solution, 3% Span 80 and ...
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The Effect of Vanadia Surface Treatment on the Corrosion Inhibition Characteristics of an Advanced Magnesium Elektron 21 alloy in Chloride Media
... An advanced magnesium Elektron 21 alloy has recently been developed as a possible alternative to aluminum and steel based alloys for transportation industries. The newly developed Elektron 21 alloy characterises with its ...
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Stress Corrosion Cracking Detection of Sensitized Stainless Steel 304 in Chloride Media by Using Electrochemical Impedance Spectroscopy (EIS)
... The samples were immersed in the solution of 40% mag- nesium chloride at 120 °C. Intergranular and transgranu- lar SCC were observed after 137 hours of immersion. Cracks and intergranular and transgranular SCC ...
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The Corrosion Behaviour of WC-Co-Ru Alloys in Aggressive Chloride Media
... Previously a group of Russian researchers showed that the additions of platinum group metals (PGMs) to chromium- based alloys cause a spontaneous shift of the corrosion potential towards more noble values, a phenomenon ...
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Electrochemical Impedance Spectroscopy Analysis on Steel Embedded in a Concrete Alkali Exposed on the Chloride Media.
... and Goethita), in the 500X micrographs is noticed zones with porous aspect caused by corrosion phenomenon in where the chloride ion enters and generates this type of degradation. In addition is observed a series ...
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Electrochemical and Surface Studies of Thiourea-formaldehyde as corrosion Inhibitor for N80 Steel in Chloride Media
... The presence of electron donating heteroatoms is a boon to the inhibitor structure. These heteroatoms (N, O, S and P donor groups) can participate in complex formation with the metal surface. The complex/film forming ...
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Reinforcement corrosion in alkaline chloride media with reduced oxygen concentrations
... At the most negative potentials (-850 mV and -650 mV) no signs of corrosion were found. Similarly, the steel immersed in 2.5M NaCl and polarized at -550mV did not show any corrosion products. However, some corrosion pits ...
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Electrochemical Behaviour of AISI 316 Austenitic Stainless Steel in Acidic Media Containing Chloride Ions
... Hydrochloric acid (next to sea water) remains the main source of the aggressive chloride ions. Pitting corrosion is one of the most dangerous forms of localized corrosion especially for steels in chloride ...
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Interference of Sodium Chloride on Shale Stabilization with Potassium Chloride in Drilling Fluid
... The shale formation drilling often generates a wide range of problems if ordinary water-based muds are employed. Furthermore, the alteration of shale formation has complicated the development of adequate drilling fluids. ...
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