Corrosion resistance of Mg(OH)2/Mg-Al layered double hydroxide composite film formed directly on combustion-resistant magnesium alloy AMCa602 by steam coating

Takahiro Ishizaki; Naosumi Kamiyama; Kouhei Watanabe; Ai Serizawa

doi:10.1016/j.corsci.2014.11.031

Corrosion resistance of Mg(OH)₂/Mg-Al layered double hydroxide composite film formed directly on combustion-resistant magnesium alloy AMCa602 by steam coating

Takahiro Ishizaki, Naosumi Kamiyama, Kouhei Watanabe, Ai Serizawa

Research output: Contribution to journal › Article › peer-review

77 Citations (Scopus)

Abstract

Films of the Mg(OH)₂/Mg-Al layered double hydroxide composite were formed on the combustion-resistant magnesium alloy AMCa602 by steam coating and characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, and scanning electron microscopy. The corrosion-resistance performances of the films in a 5wt% NaCl solution were investigated using electrochemical measurements. The corrosion current density of the sample that was steam-coated at 433K for 6h using the aqueous solution containing 200mM Al(NO₃)₃ decreased significantly more than that of the bare AMCa602. The correlations between the Mg-Al LDH content in the films, Al(NO₃)₃ concentration in the aqueous solutions, and corrosion current densities were investigated.

Original language	English
Pages (from-to)	76-84
Number of pages	9
Journal	Corrosion Science
Volume	92
DOIs	https://doi.org/10.1016/j.corsci.2014.11.031
Publication status	Published - 2015 Mar 1

Keywords

A. Magnesium
B. Polarization
B. SEM
B. XRD
C. Passive films

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

Access to Document

10.1016/j.corsci.2014.11.031

Cite this

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title = "Corrosion resistance of Mg(OH)2/Mg-Al layered double hydroxide composite film formed directly on combustion-resistant magnesium alloy AMCa602 by steam coating",

abstract = "Films of the Mg(OH)2/Mg-Al layered double hydroxide composite were formed on the combustion-resistant magnesium alloy AMCa602 by steam coating and characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, and scanning electron microscopy. The corrosion-resistance performances of the films in a 5wt% NaCl solution were investigated using electrochemical measurements. The corrosion current density of the sample that was steam-coated at 433K for 6h using the aqueous solution containing 200mM Al(NO3)3 decreased significantly more than that of the bare AMCa602. The correlations between the Mg-Al LDH content in the films, Al(NO3)3 concentration in the aqueous solutions, and corrosion current densities were investigated.",

keywords = "A. Magnesium, B. Polarization, B. SEM, B. XRD, C. Passive films",

author = "Takahiro Ishizaki and Naosumi Kamiyama and Kouhei Watanabe and Ai Serizawa",

note = "Funding Information: This research was partially supported by a Grant for Advanced Industrial Technology Development, New Energy and Industrial Technology Development Organization (NEDO) of Japan (No. 11B06024d ) and the Adaptable and Seamless Technology Transfer Program through Target-driven R&D (No. AS251Z02997K ), Japan Science and Technology Agency . Publisher Copyright: {\textcopyright} 2014 Elsevier Ltd.",

year = "2015",

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AU - Ishizaki, Takahiro

AU - Kamiyama, Naosumi

AU - Watanabe, Kouhei

AU - Serizawa, Ai

N1 - Funding Information: This research was partially supported by a Grant for Advanced Industrial Technology Development, New Energy and Industrial Technology Development Organization (NEDO) of Japan (No. 11B06024d ) and the Adaptable and Seamless Technology Transfer Program through Target-driven R&D (No. AS251Z02997K ), Japan Science and Technology Agency . Publisher Copyright: © 2014 Elsevier Ltd.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - Films of the Mg(OH)2/Mg-Al layered double hydroxide composite were formed on the combustion-resistant magnesium alloy AMCa602 by steam coating and characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, and scanning electron microscopy. The corrosion-resistance performances of the films in a 5wt% NaCl solution were investigated using electrochemical measurements. The corrosion current density of the sample that was steam-coated at 433K for 6h using the aqueous solution containing 200mM Al(NO3)3 decreased significantly more than that of the bare AMCa602. The correlations between the Mg-Al LDH content in the films, Al(NO3)3 concentration in the aqueous solutions, and corrosion current densities were investigated.

AB - Films of the Mg(OH)2/Mg-Al layered double hydroxide composite were formed on the combustion-resistant magnesium alloy AMCa602 by steam coating and characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, and scanning electron microscopy. The corrosion-resistance performances of the films in a 5wt% NaCl solution were investigated using electrochemical measurements. The corrosion current density of the sample that was steam-coated at 433K for 6h using the aqueous solution containing 200mM Al(NO3)3 decreased significantly more than that of the bare AMCa602. The correlations between the Mg-Al LDH content in the films, Al(NO3)3 concentration in the aqueous solutions, and corrosion current densities were investigated.

KW - A. Magnesium

KW - B. Polarization

KW - B. SEM

KW - B. XRD

KW - C. Passive films

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