[PDF] Top 20 Effect of Immersion Time on the Copper Corrosion in Neutral NaCl Solution
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Effect of Immersion Time on the Copper Corrosion in Neutral NaCl Solution
... two time constants during initial 240 h, which can be expressed mainly as a charge transfer process and a protective film formed on copper surface ...the corrosion process is diffusion ... See full document
17
Nicotinamide Inhibition Properties for Copper Corrosion in 3 5% NaCl Solution: Experimental and Theorical Investigations
... the effect of ni- cotinamide on iron corrosion in chloride solutions and inhibitive corrosion properties of nicotinamide on carbon steel in cooling water ...the corrosion of the iron in ... See full document
22
The Use of a New Thiadiazole Derivative as a Highly Efficient and Durable Copper Inhibitor in 3.5% NaCl Solution
... The corrosion inhibition of a newly synthesized derivate of thiadiazole (5-Methyl-[1, 3, 4] thiadiazol- 2-ylsulfanyl)-acetic acid (4-hydroxy-3-methoxy-benzylidene)-hydrazide （ MAH ） was ...for copper in ... See full document
18
Studies on the Effect of a Newly Synthesized Schiff Base Compound on the Corrosion of Copper in 3% NaCl Solution
... was performed under 303 K, NVT ensemble, with a time step of 1 fs and simulation time of 1 ns. Quantum chemical calculations were conducted with the DMol 3 module [13]. All electronic calculations of DSA ... See full document
16
Corrosion Behaviour of a Zn/Zn-Al Double Coating in 5% NaCl Solution
... The corrosion behaviour of the double coating was studied in 5% NaCl ...The neutral salt spray (NSS) test showed that the double coating was significantly effective for preventing ...The ... See full document
13
Stability study of nigella sativa layer formed on the steel surface in neutral solution
... minutes immersion for different amounts of the ...the corrosion kinetics on the electrode ...blank solution one time constant was identified and attributed to the charge transfer ...reported ... See full document
6
Structural and electrochemical study of binary copper alloys corrosion in 3% NaCl solution
... after immersion of two alloys, revealed the presence of copper and zinc for brass and the presence of copper and nickel for the ...to copper. The zinc concentrations in solution are ... See full document
12
Inhibition Effect of 3D Nanostructures on the Corrosion Resistance of 1-Dodecanethiol Self-Assembled Monolayers on Copper in Nacl Solution
... bare copper in neutral NaCl solution can be illuminated by dividing the curves into three parts according to the potential region ...of copper to the cuprous ... See full document
31
The Inhibitive Effect of 3 Methyl 4 Amino 1,2,4 Triazole on the Corrosion of Copper Nickel 70 30 in NaCl 3% Solution
... corrosive solution at 60 ppm of MATA at the corrosion potential after the Monel electrode was exposed to the solution for different immersion ...with time. The increase of the ... See full document
8
Inhibition of Copper Corrosion Reactions in Neutral and Acidic Chloride Solutions by 5-Ethyl-1,3,4-thiadiazol-2-amine as a Corrosion Inhibitor
... versus time for the copper electrode at ...M NaCl and (b) ...of copper electrode in 0.5 M NaCl solution without inhibitor present, curve 1, started from very high values and ... See full document
14
Study on the Performance of Ajowan Seeds Extract on the Corrosion of Steel in Acidic Solution by Effect of Temperature
... being h the blank’s constant and N Avogadro’s number. Figs. (5 &6) show straight lines of plots of logRct/T and/or logIcorr/T vs. 1/T with a slope of Δ H#/R and intercept of log(R/Nh)+ Δ S#/R. Values of Ea, Δ H# and ... See full document
8
Corrosion Protection of Rotating Copper Rod in a Solution of NaCl and Na2S by Using 4-Amino-4H-1,2,4-Triazole as Corrosion Inhibitor
... the effect of different variables on the corrosion of rotating copper such as rotational speed, initial S -2 concentration, rotating copper diameter, solution temperature and initial ... See full document
9
Argan hulls extract as an efficient green corrosion inhibitor for copper in phosphoric acidic
... solution. The results obtained from weight loss studies are in good agreement with electrochemical. A comparison may be made between inhibition efficiency E (%) values obtained by different methods (weight loss, ... See full document
7
Surface Composition and Corrosion Resistance of Co Cr Alloys Containing High Chromium
... In this study, air-formed surface oxide films on four types of Co-Cr alloys containing large amounts of Cr and N were characterized using X-ray photoelectron spectroscopy (XPS) and five types of Co-Cr alloys were ... See full document
8
Application of hexa propylene glycol cyclotriphosphazene as corrosion inhibitor for copper in 3% NaCl solution
... maximum value is 96 % at 10 -3 M HPGCP concentration.Thus, due to the adsorption of HPGCP on the copper surface, the corrosion reactions have been inhibited to a great extent. In conclusion, EIS results are ... See full document
9
Electrochemical and Theoretical Investigation of Triazole Derivatives as Corrosion Inhibitors for Copper in 3.5% NaCl Solution
... on copper surface may involve complex interactions: both physical adsorption and chemical adsorption ...the copper surface through a synergistic effect with chloride ions from ...3.5% NaCl ... See full document
17
Effect of NaCl on the Corrosion of Cold Rolled Steel in Peracetic Acid Solution
... the corrosion of metals in different ...the corrosion of metals ...the corrosion of steel, especially cause the localized corrosion ...the corrosion of steel in some special ... See full document
14
Electrochemical Behavior of Magnesium Alloys as Biodegradable Materials in Phosphate Buffer Saline Solution
... The results in general show that Bode plots display one time constant for AZ31E and AZ91E alloys. Analysis of the experimental spectra was made by best fitting to the corresponding equivalent circuit using Thales ... See full document
8
Effect of Organic Corrosion Inhibitors on the Corrosion Performance of 1018 Carbon Steel in 3% NaCl Solution
... organic corrosion inhibitors is the most effective way of protecting internal corrosion of carbon steel pipelines for oil product ...as corrosion inhibitors in the oil and gas industries even without ... See full document
13
Effect of Pre-deformation on Microstructure and Pitting Corrosion Behavior of UNS S32205
... The material for examinations was delivered in the form of sheet-cutting steel with dimensions about 250 mm × 30mm × 1.5 mm. The chemical composition of the duplex stainless steel UNS S31803 was shown in Table 1. Then ... See full document
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