Passivation behavior
Corrosion Resistance and Passivation Behavior of B-containing S31254 Stainless Steel in a low pH medium
... In different studies, attempts have been made to enhance the corrosion resistance and passive film stability via the addition of different alloy elements in stainless steel. In commercial stainless steels, a common ...
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The Effects of Chloride Anions on Corrosion and Passivation Behavior of 254SMO Stainless Steel in Water Absorbed of Blast Furnace Gas (BFG)
... and passivation behavior of 254SMO stainless steel in an electrolyte that was obtained by water absorption of blast furnace gas (BFG) were studied by the electrochemical measurements of potentiodynamic ...
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Passivation Behavior of Ce Containing Hyper Duplex Stainless Steels in Sulfuric Acid Solution
... molybdates on the surface of the film, improving the formation of a layer on DSS with a higher Cr/Fe ratio. The Ce addition to the base alloy increased the elemental ratio of Cr to Fe in the passivated alloys by 1.19 ...
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Data on the Microstructure and Passivation Behavior for Austenitic Nickel-Chromium (NO7718) and Nickel-Chromium-Aluminum-iron (NO7208) Nickel Alloys in Corrosive Media
... resistance, passivation behavior and interfacial redox reactions of the alloys with the increase in chloride ion ...active-passive behavior of both alloys and their thermodynamic stability in the ...
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Passivation Behavior of a Zr60Cu20Ni8Al7Hf3Ti2 Bulk Metallic Glass in Sulfuric Acid Solutions
... the increase of acid concentration, which suggests that the corrosion rate and the width of second passivation are sensitive to solution concentration. However, the transpassive potential only changes slightly ...
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Corrosion Characterisation and Passivation Behavior of Fe68.6Ni28.2Mn3.2 Alloy in Acidic Solution
... impedance modeling software are presented in Table 1. Figs. 2a and 2b observed that the fitted data follow a similar pattern as the original results along the diagrams, with a percentage error smaller than 4% in all ...
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Passivation Behavior and Corrosion Resistance of 904L Austenitic Stainless Steels in Static Seawater
... To get a complete view of the stainless steel properties, the electrochemical impedances of the passive film were measured at selected potentials of 0.0, 0.2, 0.4 and 0.6 V. Figure 4(a) presents the Nyquist plots of the ...
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Electrochemical and Passivation Behavior of Duplex Stainless Steel in Simulated Concrete Pore Solution
... corrosion behavior of corrugated lean duplex stainless steels in different alkaline solutions, and they have found that 2304 shows better corrosion behavior than the 2101, but somewhat lower than the ...
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Electrochemical Corrosion and Passivation Behavior of Titanium and Its Ti-6Al-4V Alloy in Low and Highly Concentrated HBr Solutions
... Polarization scans (not seen) as a function of temperature for the present tested samples were collected after a holding time of 100 min. in naturally aerated 1.0 M HBr solution. A fresh solution was used for each ...
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Passivation Behavior of Al88Fe6La6 Glassy Alloy in NaOH and H2SO4 Solutions
... According to the XRD patterns and DSC curves (Fig. 1), Al phase is not the primary precipitated phase. Hence the dendritic Al phase exits in the micro-scale intermetallic/matrix interface (Figs. 6 and 9a). Here the front ...
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Effects of Copper Addition on the Passivity and Corrosion Behavior of 27Cr 7Ni Hyper Duplex Stainless Steels in Sulfuric Acid Solution
... and passivation behavior in both the active and passive state of hyper duplex stainless steels in the sulfuric acid solution were investigated using a potentiody- namic polarization test, a potentiostatic ...
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Oxidation precursor dependence of atomic layer deposited Al2O3 films in a Si:H(i)/Al2O3 surface passivation stacks
... remarkable passivation behavior on both n- and p-type Si surfaces and the cost-saving deposition using atomic layer deposition (ALD) and plasma-enhanced vapor chemical deposition (PECVD) at low ...
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Mechanism of electrodeposition of nickel in aqueous solution
... easy passivation behavior. The anodic behavior and the mechanism of passivation of nickel and the properties of passive nickel have been studied extensively; perhaps more widely than any other ...
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Chemical functionalization and electronic passivation of gallium arsenide surfaces
... Of the polar GaAs(111) faces, the (111)A face is particularly promising for developing new methods of passivation chemistry. Measurement of etch rates and etch pit formation have shown that the (111)A surface is ...
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Influence of Surface Passivation on Optical Properties of Spray Pyrolysis Deposited Pd-F:SnO2
... : Influence of Surface Passivation on Optical Properties of Spray Pyrolysis Deposited Pd-F:SnO 2. 3.3[r] ...
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Passivation of Dental Amalgams and Mercury Release
... electrochemical behavior of the amalgam are related be- cause electrochemical reactions in the oral environment change the state of the surface, through which mercury eva- porates or ...
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The role of catalyst in the passivation of chalcopyrite during leaching
... SEM/EDX results showed that when pyrite was employed as catalyst, chalcopyrite leaching was low. This was due to sulfur formation around chalcopyrite particles which prevents enhancing the leaching rate. Albeit, using ...
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Synthesis, passivation and charging of silicon nanocrystals
... Since Si nanocrystals are of great interest as charge storage nodes in nonvolatile memory devices, the goal of this work was not only to demonstrate non-destructive imaging and manipulat[r] ...
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Passivation effects on low temperature gettering in multicrystalline silicon
... Our results and those of others show that low-temperature gettering in mc-Si is a complex problem. An interstitial iron dif- fusion limited internal gettering model (as suggested by Krain et al. [4]) does not explain all ...
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Surface Passivation of Crystalline Silicon by Sputtered Aluminium Oxide
... tion technology that can satisfy the various shortcomings of current surface passivation methods [9]. The negative charge avoids the parasitic shunting that would occur with a positively charged dielectric on ...
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