Aqueous corrosion behaviour of Fe–Ni–B metal glasses

Lekatou, A.; Marinou, A.; Patsalas, P.; Καρακασσίδης, Μ. Α.

doi:10.1016/j.jallcom.2008.07.217

Cited by 22 publications

(14 citation statements)

References 26 publications

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“…2, the prepeak intensity decreases and the peak finally disappears with increasing NaOH concentration, indicating that the previous oxidation of Fe(OH) 2 results in its direct transformation into Fe 3 O 4 in high-concentration NaOH solutions. These current-density peaks and their variations have been reported in previously published work [30].…”

Section: Anodic Polarization Behavior Of Fe 78 Si 9 B 13 Glassy Alloysupporting

confidence: 84%

Non-monotonic influence of a magnetic field on the electrochemical behavior of Fe78Si9B13 glassy alloy in NaOH and NaCl solutions

Zhang

Li²,

Pang³

et al. 2014

Int J Miner Metall Mater

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Abstract:The corrosion behavior and microstructure of Fe 78 Si 9 B 13 glassy alloy in NaOH and NaCl solutions under a 0.02-T magnetic field were investigated through electrochemical testing and scanning electron microscopy (SEM). The current-density prepeak (PP) in the anodic polarization curves in low-concentration NaOH solutions (classified as type I) tends to disappear when the NaOH concentration is increased to 0.4 mol/L and the magnetic field is applied. Under the magnetic field, the height of the second current-density peak is increased in low-concentration NaOH solutions (type I) but decreased in high-concentration NaOH solutions (type II). The non-monotonic effect of the magnetic field was similarly observed in the case of polarization curves of samples measured in NaCl solutions. Ring-like corroded patterns and round pits are easily formed under the magnetic field in NaOH and NaCl solutions. These experimental results were discussed in terms of the magnetohydrodynamic (MHD) effect.

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Section: Anodic Polarization Behavior Of Fe 78 Si 9 B 13 Glassy Alloysupporting

confidence: 84%

Non-monotonic influence of a magnetic field on the electrochemical behavior of Fe78Si9B13 glassy alloy in NaOH and NaCl solutions

Zhang

Li²,

Pang³

et al. 2014

Int J Miner Metall Mater

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“…Though metallic glass exhibits excellent general corrosion resistance, it is also susceptible to pitting corrosion in aggressive solutions, especially containing Cl − ion [95]. Since the surface film is not stable during the anodic polarization, many pits are observed on the surface of FeCrMoCB metallic glass with 4 at% B immersed in 12 M HCl solution for 168 h [68].…”

Section: Pitting Corrosion Of Metallic Glassesmentioning

confidence: 99%

Corrosion Resistance and Electrocatalytic Properties of Metallic Glasses

Wang¹

2016

Metallic Glasses - Formation and Properties

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Metallic glasses exhibit excellent corrosion resistance and electrocatalytic properties, and present extensive potential applications as anticorrosion, antiwearing, and catalysis materials in many industries. The effects of minor alloying element, microstructure, and service environment on the corrosion resistance, pitting corrosion, and electrocatalytic efficiency of metallic glasses are reviewed. Some scarcities in corrosion behaviors, pitting mechanism, and eletrocatalytic reactive activity for hydrogen are discussed. It is hoped that the overview is beneficial for some researcher paying attention to metallic glasses.

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“…To date, the vast majority of the works on the corrosion behavior of Fe-based MGs refer to bulk materials [e.g. [5][6][7][8][9]. Regarding the corrosion behavior of high entropy coatings, an HVAF (High Velocity Air Fuel spraying) NiNbTiZrCoCu coating exhibited high corrosion resistance in aqueous HCl, though lower than that of the respective amorphous ribbons [10].…”

Section: Introductionmentioning

confidence: 99%