Passive Film
A structural investigation of the passive film on iron and iron/chromium alloys
... was stable this value was chosen regardless of the potential o f its formation. By using the EuroBEEB computer the monochromator was set to give monochromatic light with a wave length of 600 nm. Then five (S) seconds ...
144
Effect of Sustained Load on the Passive Film of Carbon Steel Embedded in Concrete
... the passive film (Figure 7 and Figure 8) and reduces the capacity of re- passivation (Figure ...the passive film [10, 11, ...of passive film, but will be almost re- passivated ...
14
The Influence of Cl- and Ca2+ on the Passive Film of 00Cr10MoV Steel in Simulated Concrete Solution
... the passive films of steel substrates that were reported by many studies [12-14], the presence of Ca and Cl from the external environment also plays an important role in the passive growth and breakdown ...
9
Repassivation Behaviour of UNS S32101 and UNS S30403 Stainless Steels after Cathodic Stripping of the Native Passive Film in a CO2 Saturated Oilfield Brine
... Potentiostatic polarization tests were performed using EG & G 263A model potentiostat/galvanostat and a three-electrode electrochemical set up consisting of an Ag/AgCl reference electrode and a platinum counter ...
6
Some reflections on a model to predict the erosion rate of the passive film on pure metals
... Wastage as a result of the combined effects of the erosion-corrosion by solid particles is a major factor in many industrial situations such as mineral processing and oil and gas exploration. The synergistic effect of ...
5
Effect of Deformation-Induced Martensite on Protective Performance of Passive Film on 304 Stainless Steel
... the passive film and the contents of the oxide and hydroxide decreased with increasing α'-martensite content when the α'-martensite content was less than 6%, nevertheless, the pattern observed when the ...
20
A Research of Intergranular Corrosion Sensitivity and Passive Film of Alloy 690
... passivation film would form. However, when at 0.08V-0.60V an unstable γ- FeOOH film might ...compact passive film namely Cr 2 O 3 or CrO 2 films would form ...
10
Influence of Chloride on Passive Film Chemistry of 304 Stainless Steel in Sulphuric Acid Solution by Glow Discharge Optical Emission Spectrometry Analysis
... of passive film after potentiostatic ...the passive film increased with immersion time of passivation, which suggested the improvement of corrosion ...the passive film when 3 wt% ...
12
Correlation Between Properties of Passive Film and Stress Corrosion Cracking of α-Ti in Methanol Solution
... A passive film forms during SCC or natural corrosion of α-Ti which occurs under anodic dissolution in a methanol ...the passive film [5, 6]. The film- induced stress variation with ...
9
Degradation of Passive Film on Low-Nickel Stainless Steel in Groundwater with Different Concentration of Chloride Ions
... Figure 3 shows the OCP values of the samples monitored under different chloride concentrations. Consistent with previous studies [20], the OCP decreased significantly until the degree of chloride concentration reached a ...
13
Detection and Characterization of ZnO on a Passive Film of Pure Zinc
... oxide/hydroxide film (known as Type-I Zn oxide) and an inner compact layer (known as Type-II Zn oxide) ...ZnO film and precipitate to Type-I Zn porous oxides ...the passive film formed during ...
11
Study on the Passive Film of Type 316 Stainless Steel
... The passive films grown on AISI 316 stainless steel in NaCl solutions were investigated by potentiodynamic polarization, electrochemical impedance measurements and Mott-Schottky ...The passive films are ...
13
Microstructure of Passive Film on Steel in Synthetic Concrete Pore Solution in Presence Chloride and Nitrite
... Figure 2 shows the anodic polarization curves of the reinforcement in simulated pore solutions with different mass concentrations of NaCl. The reinforcement is in the passivation state when the external potential changes ...
15
Synergistic Effect of 2-Amino-5-(Ethylthio)-1,3,4-Thiadiazole and Chloride Ion on Cu Anodic Dissolution in a Phosphate-Based Electrolyte
... AETD passive film when introducing Cl - into the phosphate-based electrolyte contining AETD, the XPS studies were carried out to characterize the chemical composition of the passive films formed on ...
8
Organic Electrolyte Improving the Performance of Ionic Liquid-PEO Polymer Electrolyte Based Lithium Ion Batteries
... the other hand, the obvious oxide peak (at 1.2V) and reduction peak (at 1.8V) can be seen in the plots of cell using organic electrolyte addition. And the plots of first three cycles are well overlapped. Fig. 2b shows ...
9
Corrosion Process of Ductile Iron with Cement Mortar Linings as Coatings in Reclaimed Water
... passive film. In this period, the protective properties of the passive film probably became weaker and the localized corrosion ...the passive film cannot be considered as a ...
17
Effects of Chromium on the Glass Formation and Corrosion Behavior of Bulk Glassy Fe Cr Mo C B Alloys
... surface film was hexavalent. In addition, because the surface film was significantly thick, the under- lying alloy surface was undetectable by ...surface film is formed when the alloy is not ...
6
Experimental Technique with a Pyramidal Indenter Demonstrating The Development of Pyramidal-Shaped Crevice Corrosion In Inconel 600
... Abstract: - Inconel alloy 600 is widely used in applications requiring its excellent crevice corrosion resistance, e.g. with corrosive solutions. Cyclic polarization tests were carried out on Inconel work pieces immersed ...
5
Passivity and Pitting Corrosion of 316L in Simulated Concrete Pore Solutions under Marine Environment
... the passive film and reduces the corrosion resistance ...of passive films and the corrosion resistance of stainless steel in concrete pore solutions under marine environment are still less ...
14
Studies on the Effect of B and B+Ce Additions on the Electrochemical Corrosion Behaviour of 9Cr-1Mo Using Electrochemical Noise (EN) Technique
... the passive film at a higher ...the passive film on the surface of the specimen with B addition was much more stable and did not dissolve easily whereas the passive film formed ...
17