Unmasking chloride attack on the passive film

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August undefined, 2024

WebApr 22, 2024 · The present work investigates the corrosion behavior of Al0.1CoCrFeNi high entropy alloy (HEA) in various concentrations of chloride-containing solutions. Electrochemical tests exhibit overall excellent corrosion resistance of this alloy against the attack of Cl−-containing solutions. The main type of corrosion topography presents an … Passive films were formed on the (001) and (110) plane, respectively, of FeCr15Ni15 single crystal (Supplementary Note 1 and Note 2, Supplementary Figs 1–3). This enabled us to obtain a distinct metal/passive film interface (Supplementary Fig. 4) and better characterize the structure of the interface region. On … See more The TEM observation in the high-angle annular-dark-field (HAADF) mode and Super-X EDS analysis on the passive film were performed and the results are shown … See more Prior to studying the interactions of chloride ions with the passive film and austenitic matrix, the pristine passive film formed in chloride-free electrolyte was … See more It is well known that grain boundaries exhibit an irregular atom array yielding a loose structure that usually provide tunnels for species diffusion and … See more The as-prepared single crystal matrix provides us an opportunity to examine the strain state within the matrix side using a well-established LADIA simulation method … See more

Unmasking chloride attack on the passive film of metals.,Nature ...

Web[4] Zhang B, Wang J, Wu B, et al., Unmasking chloride attack on the passive film of metals [J], Nature Communications, 2024, 9(1): 2559. [5] 铬对人体及环境的影响 [EB], 金属百科 , 亚洲金属网 . WebJul 2, 2024 · Nanometer-thick passive films on metals usually impart remarkable resistance to general corrosion but are susceptible to localized attack in certain aggressive media, ... built-in gas domestic meter housing box

Effect of secondary passivation on corrosion behavior and ...

WebFeb 15, 2024 · Zhang, B. et al. Unmasking chloride attack on the passive film of metals. Nature Communications 9, 1–9 (2024). Evans, U. R. Isolation of the Film Responsible for the Passivity of an Iron Anode in Acid Solution. Nature 126, 130–131 (1930). Evans, U. R. LXVI.—The passivity of metals. Part IV. The influence of acids in passivity and corrosion. WebNanometer-thick passive films on metals usually impart remarkable resistance to general corrosion but are susceptible to localized attack in certain aggressive media, ... WebAfter the passive film was broken, the fresh iron matrix might be used as an electron donor by S. oneidensis MR-1, and this electron uptake behavior accelerated the dissolution of iron. ... Unmasking chloride attack on the passive film of metals. Nat. Commun., 9 … crunch tools

Corrosion Nature Communications

WebNanometer-thick passive films on metals usually impart remarkable resistance to general corrosion but are susceptible to localized attack in certain aggressive media, ... Unmasking chloride attack on the passive film of metals. Zhang B; Wang J; Wu B; et al. See more; Nature Communications (2024) 9(1) DOI: 10.1038/s41467-018-04942-x. 206 Citations. WebApr 1, 2024 · Abstract. Passive films on duplex stainless steels are heterogeneous, with properties depending on the two-phase microstructure. Accordingly, the interaction of … crunch top apple pieWebJul 2, 2024 · Introduction. Corrosion is one of the major causes of material failure and hence leads to a huge cost to our society 1.The nanometer-thick passive film on metals resists a … built in garage shelves

"WebSupporting: 2, Mentioning: 40 - Nanometer-thick passive films on metals usually impart remarkable resistance to general corrosion but are susceptible to localized attack in … " - Unmasking chloride attack on the passive film

Unmasking chloride attack on the passive film

Chloride attack on the passive film of duplex alloy

WebJul 1, 2024 · The passive film has a step-like unevenness at the austenite/ ferrite boundary. • Passive film on austenite has a more pronounced growth rate yielding lower interface. • … WebFig. 2 Super-X EDS mapping showing chloride ion incorporated in and penetrating the passive ﬁlm and accumulating at the matrix/passive ﬁlm interface. Element maps of the …

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WebFeb 1, 2011 · The uptake of chloride (Cl - ) by the passive oxide film on 316L austenitic stainless steel polarized at potentials below (less positive than) the pitting potential in 0.6 M NaCl solutions was studied using X-ray photoelectron spectroscopy (XPS) and compared to our previous work on aluminum. The XPS spectra for the stainless steel showed that … WebFeb 19, 2024 · The reason that a high temperature is beneficial for the corrosion resistance of the passive film is possibly due to the increase in the film thickness at high temperature . Table 2 Fitted electrochemical parameters of passivated 304 SS in 3.5% NaCl solution (All the 304 SS specimens were passivated in alkaline phosphate solution at temperatures of …

WebJul 1, 2024 · The passive film has a step-like unevenness at the austenite/ ferrite boundary. • Passive film on austenite has a more pronounced growth rate yielding lower interface. • Chloride ions attack mechanisms differ from austenite to ferrite phase. • Chloride induces a thicker Mo-rich passive film from the original Cr-rich film. WebIn order to monitor the transport and effect of chloride ions, passive films were formed under three designated conditions: passivation in H 2 SO 4 electrolyte, passivation in H 2 SO 4 + NaCl ...

WebEDS analysis on the inner layer of the passive film showing an evident element Cl peak. Supplementary Figure 8. EDS mapping of the passive film which was formed via initial … WebMentioning: 11 - Chloride Interactions with the Passive Films on Stainless Steel - Natishan, Paul M., O'Grady, William E., Martin, F. J., Rayne, Roy J., Kahn, H ...

WebJul 1, 2024 · The passive film on the austenite has a more pronounced growth rate yielding the lower interface. Our experimental results suggest that the chloride ion attack mechanisms differ from austenite to ferrite phase, attacking the outmost surface of the passive film on ferrite (δ) phase and the interface of passive film/austenite phase.

WebApr 1, 2024 · Unmasking chloride attack on the passive film of metals. Article. Full-text available. Jul 2024; Bo Zhang; Jia-Horng Wang; Bingao Wu; Xiuliang Ma; Nanometer-thick passive films on metals usually ... crunch topeka ksWebBy means of a pipe’s inner surface grinding, a single-phase nanostructured austenite was formed on the surface of an AISI 304 stainless steel. The electrochemical corrosion behavior was compared with a coarse-grained counterpart of identical surface roughness. Experimental results show that the nanostructured austenite shows a higher pitting … built in gas double ovens ukWebApr 12, 2024 · Following observations that the passive film retains its crystalline structure and the residual current increases, ... B. et al. Unmasking chloride attack on the passive … built in gas fire pit on deckWebAbstract. Collecting experimental evidence of chloride ion attack on protective passive metallic films due to corrosion remains challenging. Here, the authors show that the … crunch top ham and potato casseroleWebEDS analysis on the inner layer of the passive film showing an evident element Cl peak. Supplementary Figure 8. EDS mapping of the passive film which was formed via initial passivation in H 2 SO 4 electrolyte for 30 min and subsequent addition of NaCl, showing reduced prevalence of element Cl enrichment. (a) Element Cl is detected at crunch topekaWebNanometer-thick passive films on metals usually impart remarkable resistance to general corrosion but are susceptible to localized attack in certain aggressive media, leading to … crunchtoppers.comWebJul 3, 2024 · Unmasking chloride attack on the passive film of metals. Collecting experimental evidence of chloride ion attack on protective passive metallic films due to corrosion remains challenging. built in gas fireplace entertainment center