Pitting corrosion
Numerical analysis of pitting corrosion fatigue in floating offshore wind turbine foundations
... to corrosion pitting and fatigue crack initiation and propagation from the pits, particularly in the weld ...from corrosion pits has been performed and the results are presented in order to provide ...
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Effect of Pre-deformation on Microstructure and Pitting Corrosion Behavior of UNS S32205
... better corrosion resistance than ordinary duplex stainless steels, thus are widely used in high chloride environments, such as the marine and petrochemical industries ...better pitting corrosion ...
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Inhibition Mechanism of Pitting Corrosion of Nickel in Aqueous Medium by Some Macrocyclic Compounds
... localized corrosion or pit ...of pitting corrosion by shifting the critical pitting potential of initiation (E p ) towards more positive ...
7
Pitting Corrosion Currents of Tin in Relation to the Concentration of the Inhibitive and Corrosive Anions under Natural Corrosion Conditions
... such high currents upon introducing the aggressive anion is an indication of the occurrence of an electrochemical reaction on the electrode surface [13]. This behavior is in agree with data reported by Abd El Wahab et al ...
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Pitting Corrosion in Austenitic Stainless Steel Water Tanks of Hotel Trains
... the pitting was not characteristic of this type of corrosion; 2) neither SRB nor their typical sulfide- based metabolites were found in the corrosion products; 3) SRB were not detected in the tank ...
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Pitting Corrosion Resistance and Inhibition of Lean Austenitic Stainless Steel Alloys
... the pitting potential values of 301SS increased till ...to pitting corrosion than 316SS because in the presence of chlorides 301SS passivates at higher potentials compared to 316SS which passivates ...
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A mathematical model to study the propagation of pitting corrosion in steel immersed in chloride solution
... to pitting corrosion, given that it is in slightly alkaline conditions, as stated by (Alvarez 1984) and (Fushimi ...to corrosion, but it is more ...to pitting corrosion in aqueous ...
6
Studying and Comparing the Erosion-Enhanced Pitting Corrosion of X52 and X100 Steels
... of pitting corrosion in the absence and presence of ...in pitting potential due to electrolyte and electrolyte-silica sand impingement has been ...pitting corrosion. X100 steel is more ...
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Statistical Modelling of Pitting Corrosion: Extrapolation of the Maximum Pit Depth-Growth
... the pitting growth. Although, the linear pitting growth modelling is commonly used in the industry in order to calculate the estimation of the remaining life-time of the pressure vessels, in the strict ...
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Effect of Hydrostatic Pressure on the Pitting Corrosion Behavior of 316L Stainless Steel
... The pitting corrosion behavior of 316L stainless steel (316L SS) was investigated by electrochemical measurements, nanoindentation and microscopy ...theory. Pitting initiation process has been ...
21
Investigation of pitting corrosion of carbon steel in sweet and sour oilfield corrosion conditions: a parametric study
... the corrosion rate over the course of 168 hours have been presented in Figure 7-8 and discussed in section ...to pitting corrosion, Figure 7-18 (a) and (b) presents the maximum pit depth and the ...
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Chloride Induced Pitting Corrosion-Fatigue in Reinforced Concrete Structures
... the pitting-induced-corrosion-fatigue crack growth of reinforcement, the process from pitting initiation to structural failure was usually divided into several stages: pit nucleation, pit-to-crack ...
208
Prediction of Pitting Corrosion Characteristics using Artificial Neural Networks
... the pitting corrosion. The corrosion pits distribution depend on the corrosive concentration, degree of surface roughness, and immersion ...The pitting characteristics aimed to be predicted by ...
5
Pitting Corrosion Resistance of Anodized Aluminum Alloy Processed by Severe Plastic Deformation
... poor pitting corrosion resistance in anodized Al-Mg alloy in spite of the decreased size of the precipitates in the anodic oxide ...the pitting corrosion resistance of anodized Al-Mg alloy ...
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Testing of intergranular and pitting corrosion in sensitized welded joints of austenitic stainless steel
... Intergranular corrosion of stainless steels usually occurs in acid solutions, while pitting corrosion often takes place in neutral chloride ...electrochemical corrosion couple is formed ...
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Pitting Corrosion Resistance of Ultrafine Grained Aluminum Processed by Severe Plastic Deformation
... elements, cathodic protection and the organic coating are therefore performed to improve the pitting corrosion resist- ance of Al alloys. However, these techniques result in poor mechanical properties and ...
7
Study of pitting corrosion on mild steel and stainless steel by electrochemical noise technique
... Pitting corrosion can be analyzed using electrochemical noise technique. Both mild steel and stainless steel samples were immersed in NaCl solution. Two different concentrations of NaCl solution were used; ...
6
Effects of High Pressure Torsion on the Pitting Corrosion Resistance of Aluminum Iron Alloys
... the pitting corrosion occurs at the initial stage, the pits seem to be immediately repassivated and do not seem to grow when the formation rate of Al oxide films is ...the pitting corrosion ...
8
Pitting Corrosion Evaluation of Titanium in NaBr Solutions by Electrochemical Methods and Raman Spectroscopy
... pits, as long as Br - concentration is low (≤ 0.5 M). However, at higher Br - ion concentrations (> 0.5 M), local aggressive conditions are established and an increase in the mass transfer occurs, leading to a ...
17
Effect of Sigma Phase Precipitation on the Pitting Corrosion Mechanism of Duplex Stainless Steels
... the pitting corrosion of stainless steels has been done in the past decades[14, 16, 20, ...the pitting corrosion resistance of DSS decreases with ageing time due to the increase of the sigma ...
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