2020
DOI: 10.1007/s11665-020-05302-x
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Effects of Cl− and AC on the Corrosion Behavior of 2507 Super Duplex Stainless Steel in a Simulated Concrete Pore Solution

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Cited by 11 publications
(5 citation statements)
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“…Figure 7 b–e show the high-resolution spectra of O1s, Cl2p, Fe2p 3/2 and Cr2p 3/2 . In Figure 7 b, under basic solution conditions, two characteristic peaks are obtained at binding energies of 530 eV and 531.3 eV, corresponding to metal oxides (metal-O) and hydroxides (metal-OH), respectively [ 32 , 33 , 34 ]. After the addition of HAc, two new characteristic peaks at 531.6 eV and 533.1 eV appeared, corresponding to the C-O and C=O bonds [ 35 , 36 ].…”
Section: Resultsmentioning
confidence: 99%
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“…Figure 7 b–e show the high-resolution spectra of O1s, Cl2p, Fe2p 3/2 and Cr2p 3/2 . In Figure 7 b, under basic solution conditions, two characteristic peaks are obtained at binding energies of 530 eV and 531.3 eV, corresponding to metal oxides (metal-O) and hydroxides (metal-OH), respectively [ 32 , 33 , 34 ]. After the addition of HAc, two new characteristic peaks at 531.6 eV and 533.1 eV appeared, corresponding to the C-O and C=O bonds [ 35 , 36 ].…”
Section: Resultsmentioning
confidence: 99%
“…Figure 7 d presents the peak fitting results of the Fe 2p 2/3 spectra. The three peaks, at binding energies of 706.7 eV, 709.5 eV and 711.1 eV, corresponding to the metallic Fe, Fe(II) and Fe(III) valance states [ 31 , 32 , 33 , 34 , 35 , 37 , 38 ]. Generally, the passive film found on stainless steel has a bilayer structure, which is composed of an inner chromium oxide-rich layer and an external layer, rich in hydroxide of iron and chromium combined with iron oxide [ 39 , 40 , 41 ].…”
Section: Resultsmentioning
confidence: 99%
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“…87 The enrichment of Cl − accelerates local corrosion, and the protective capacity of the passive film decreases with the increase of Cl − concentration. 88 However, Cl − is not the main factor contributing to the increased corrosivity of the solution. 89 As shown in Figures 9 A–9D, the synergistic effect between adequate Cl − concentration and fluid flow can promote initiation and propagation of pitting corrosion of carbon steel.…”
Section: Influencing Factors On Carbon Dioxide Corrosionmentioning
confidence: 99%