Hydrogen entry behaviour of hot-dip Al–Mg–Si coated steel

Kyo, Yoshihiko; Yadav, Amar Prasad; Nishikata, Atsushi; Tsuru, Tooru

doi:10.1016/j.corsci.2011.07.027

Cited by 14 publications

(10 citation statements)

References 20 publications

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“…In order to make surface diffusion high enough, the substrate was heated at about 100°C. 3 A Traditional hot-dip zinc galvanized steel (Zn) and galvalume (Zn-55Al) with coating thickness about 20 µm were used for comparing this new coating.…”

Section: Methodsmentioning

confidence: 99%

“…In case of aluminum, progressive increase in the amount of dissolution is detected during long time of immersion. It could be concluded that at the beginning of the immersion, magnesium preferentially dissolve, the oxide layer properties are essentially controlled by the magnesium oxide (or hydroxide) component but the formation of Mg(OH) 2 and Al(OH) 3 goes on side by side. For long immersion time, when an aluminum concentration threshold is reached, it is assumed that the oxide layer become more predominantly determined by alumina component, whose passivating characteristics are greater than those of Mg(OH) 2 .…”

Section: Electrochemistry 80(4) 218221 (2012)mentioning

confidence: 99%

“…There is no enhancement of oxygen diffusion limiting current. It is supposed that the inhibition of oxygen reduction was connected to better insulating properties of the Al-based protective film as oxide or hydrated oxide (i.e., Al(OH) 3 or AlOOH). Oxygen diffusion limiting current for 24 h immersion shown in Fig.…”

Section: O2mentioning

confidence: 99%

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Effect of Corrosion Product on the Electrochemical Behavior of Zn, Zn-Al and Al-Mg-Si Alloy Coated Steel

et al. 2012

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The corrosion products formed on Zn, Zn-55Al and Al-8.2Mg-4.8Si alloys coating has been investigated by potentiodynamic polarization in a mixture of 0.5 M Na 2 SO 4 and 0.1 M NaCl solution. The anodic current density on Zn and Zn-55Al alloys coating show the existence of dissolution indicated that Zn and Zn-55Al alloy continued to dissolve across the corrosion product formed. The existence of corrosion product on Al-8.2Mg-4.8Si alloys coating shifted the polarization curves to more noble direction and inhibit the dissolution.

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Section: Methodsmentioning

confidence: 99%

Section: Electrochemistry 80(4) 218221 (2012)mentioning

confidence: 99%

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Effect of Corrosion Product on the Electrochemical Behavior of Zn, Zn-Al and Al-Mg-Si Alloy Coated Steel

et al. 2012

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“…The as-deposited Al-Mg-Si coating produced by PVD has typically a primary A-Al solid solution which is supersaturated with Mg and Si as reported by Kyo et al for Al-Mg coating. 3 The electrochemical cell consists of the Al-Mg-Si coating as a working electrode, a saturated KCl/AgCl/Ag (SSE) as a reference electrode and platinum (Pt) as a counter electrode. All the potentials described in this paper were referred to saturated silver-silver chloride electrode (SSE).…”

Section: Methodsmentioning

confidence: 99%

“…The results from this investigation were basic data collecting for conventional hot dipped process. 18 …”

Section: Galvanic Corrosion Of the Alloy Coating Filmsmentioning

confidence: 99%

Effect of Scratching of Coating Surface on the Electrochemical Behavior of PVD Al-Mg-Si Coated Steel

et al. 2012

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Effect of scratching of coating surface on the electrochemical behavior of PVD Al-Mg-Si coated steel has been investigated using an open circuit potential (OCP), anodic polarization and galvanic couple test. The OCP monitoring showed a fast ennoblement of OCP then attained a steady state value during the last stage of monitoring. There were two types of corrosion products of scratched coating that protected from continuous corrosion and act as selfhealing. The first is passive film that arises from the adjacent coating surface on both sides of scratched area and covering the underlying steel. The second is corrosion product produced by the corrosion of steel on scratched area.

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Corrosion Behavior of Austempered Ductile Iron in Molten Al

Zheng,

Du,

et al. 2024

steel research int.

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The corrosion behavior of austempered ductile iron (ADI) in molten aluminum (Al) is investigated in the present study. The results indicate that ADI demonstrates a superior corrosion resistance when exposed to molten Al for an extended period. The intermetallic compounds (IMCs) layer is primarily composed of Fe2Al5 and FeAl3. The thickness of intermetallic layer decreases from 49 to 30 μm with the increase of corrosion time, in which the thickness of Fe2Al5 decreases, while that of FeAl3 remains relatively unchanged. This outcome is primarily attributed to the formation of fine graphite nodules resulting from the decomposition of ausferrite. Additionally, the formation of Fe–Al–Si compound at the interface of IMC and ADI impedes the diffusion of Al atoms into ductile iron.

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Hydrogen entry behaviour of hot-dip Al–Mg–Si coated steel

Cited by 14 publications

References 20 publications

Effect of Corrosion Product on the Electrochemical Behavior of Zn, Zn-Al and Al-Mg-Si Alloy Coated Steel

Effect of Corrosion Product on the Electrochemical Behavior of Zn, Zn-Al and Al-Mg-Si Alloy Coated Steel

Effect of Scratching of Coating Surface on the Electrochemical Behavior of PVD Al-Mg-Si Coated Steel

Corrosion Behavior of Austempered Ductile Iron in Molten Al

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