[PDF] Top 20 Inhibition Effect of 1-vinyl-3-ethylimidazolium Bromide for X65 Steel in 0.5 M Sulfuric Acid Solution

... acceptance of electrons from the metal surface[15, 42]. The energy gap is generally associated with chemical reactivity, so the molecule with lower ΔE value has higher inhibition efficiency for metal corrosion. ... See full document

... Mild steel has found extensive application in various ...as acid pickling, acid cleaning, acid descaling and oil wet cleaning and etc ...and acid consumption. Most of well known ... See full document

... of steel through increasing the anodic current, cathodic current, corrosion current density and corrosion ...This effect also decreased both the solution and polarization resistances for the ... See full document

... μmol/dm 3 without Br - , while the inhibition efficiencies decreases with increase in the temperature, which indicates the inhibition behaviour of MV against mild steel corrosion could be ... See full document

... in acid media [14]. In this work, two imidazolium-based ILs, 1-allyl-3-ethylimidazolium bromide ([AEIM]Br) and 1-allyl-3- hexylimidazolium bromide ([AHIM]Br) are ... See full document

... of steel such as chemical and electrolytic polishing or etching, chemical coloring, removal of oxide film, phosphating, passivating, and surface cleaning ...Phosphoric acid shows strong corrosiveness on ... See full document

... Structural optimization of DLP molecules and calculation of related quantum chemical parameters were performed on MS software. Fig. 10 shows the molecular configuration of DLP optimization, and the frontier molecular ... See full document

... fraction of electrons transferred from the inhibitor to iron surface (ΔN), are collected in Table 4. The spatial distribution of the HOMO and the LUMO are important for understanding the adsorption preferences of IBA. ... See full document

... corrosion inhibition can be obtained from studying the adsorption ...to 1, and the linear correlation coefficients were also close to 1 (R 2 = ...Fig. 5), indicating that the adsorption of PAP ... See full document

... mild steel coupons of rectangular size ...mild steel coupons included abrasion with emery paper from 600 to 1200 ...aggressive solution 1 M HCl was prepared by dilution of analytical ... See full document

... the solution, the cavities of rough surface are suitable for aggressive ions accumulation and intensify corrosion ...the solution without corrosion ...0.01 M BTA has the highest semicircle diameter ... See full document

... All the electrochemical experiments were performed using PARSTAT 2263 Potentiostat/Galvanostat (Princeton Applied Research). The Tafel polarization curves were obtained by changing the electrode potential from -250mV to ... See full document

... The effect of immersion time was determined by expositing the mild steel with 1 M HCl solution in the absence and presence of HAP at the corrosion ...mild steel corrosion is ... See full document

... the acid inhibitors are organic compounds containing nitrogen [7-12], sulphur [5,13-16] and oxygen [17-19] ...for steel in acidic solution ...better inhibition for the steel corrosion ... See full document

... reaction. One can conclude that the inhibitors act as a mixed type with predominant anodic effect. According to Ismail, A. anodic inhibitors cause a large anodic shift of the corrosion potential and it is ... See full document

... Fig. 3, it can be seen that in the presence of HOAT, the polarization curves shift obviously to lower current ...This inhibition effect is increased vastly with increasing HOAT ...anodic steel ... See full document

... Test pieces of C-steel (20×20×2 mm) were suspended by suitable glass hooks at the edge of the basin. The test specimen of C-steel was treated as described before and it had a total surface area of ≈8 cm 2 . ... See full document

... mild steel was used as a corrosion testing substrate material since it has huge applicability in various ...Mild steel refers to low carbon steel which have composition- C= ...mild steel ... See full document

... was used to choose the isotherm that is the best fit with the experimental data. Good agreement between the two models (kinetic and Flory-Huggins) obtained for all temperatures. The binding constant ‘K’ increases as the ... See full document

... inhibitive effect of acid extract of Houttuynia cordata (HCE) on the corrosion of mild steel in ...0.5 M H 2 SO 4 solution has been investigated through ... See full document