Chemical deposition and corrosive resistance of TiO2/MgF 2 composite nanofilm on magnesium alloy AZ31

Takahiro Ishizaki; Yoshitake Masuda; Naobumi Saito

doi:10.1149/1.3162339

Chemical deposition and corrosive resistance of TiO₂/MgF ₂ composite nanofilm on magnesium alloy AZ31

Takahiro Ishizaki, Yoshitake Masuda, Naobumi Saito

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

2 Citations (Scopus)

Abstract

A composite film composed of crystalline TiO₂ and MgF ₂ was successfully deposited on magnesium alloy AZ31 from a liquid phase through a single-step process. The film had a thickness of ca. 370 nm and was composed of aggregations of nanoparticles whose diameters were in the range of 50-100 nm. During the corrosion tests, the coated AZ31 substrate showed a higher corrosive resistance than the uncoated AZ31. Potentiodynamic polarization curve measurements revealed that a clear passive region approaching ca. 280 mV could be observed on the curve of the coated AZ31 substrate. The formation and corrosion mechanism of the coated AZ31 substrate has also been discussed.

Original language	English
Pages (from-to)	D68-D71
Journal	Electrochemical and Solid-State Letters
Volume	12
Issue number	9
DOIs	https://doi.org/10.1149/1.3162339
Publication status	Published - 2009
Externally published	Yes

ASJC Scopus subject areas

Chemical Engineering(all)
Materials Science(all)
Physical and Theoretical Chemistry
Electrochemistry
Electrical and Electronic Engineering

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abstract = "A composite film composed of crystalline TiO2 and MgF 2 was successfully deposited on magnesium alloy AZ31 from a liquid phase through a single-step process. The film had a thickness of ca. 370 nm and was composed of aggregations of nanoparticles whose diameters were in the range of 50-100 nm. During the corrosion tests, the coated AZ31 substrate showed a higher corrosive resistance than the uncoated AZ31. Potentiodynamic polarization curve measurements revealed that a clear passive region approaching ca. 280 mV could be observed on the curve of the coated AZ31 substrate. The formation and corrosion mechanism of the coated AZ31 substrate has also been discussed.",

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AU - Ishizaki, Takahiro

AU - Masuda, Yoshitake

AU - Saito, Naobumi

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Y1 - 2009

N2 - A composite film composed of crystalline TiO2 and MgF 2 was successfully deposited on magnesium alloy AZ31 from a liquid phase through a single-step process. The film had a thickness of ca. 370 nm and was composed of aggregations of nanoparticles whose diameters were in the range of 50-100 nm. During the corrosion tests, the coated AZ31 substrate showed a higher corrosive resistance than the uncoated AZ31. Potentiodynamic polarization curve measurements revealed that a clear passive region approaching ca. 280 mV could be observed on the curve of the coated AZ31 substrate. The formation and corrosion mechanism of the coated AZ31 substrate has also been discussed.

AB - A composite film composed of crystalline TiO2 and MgF 2 was successfully deposited on magnesium alloy AZ31 from a liquid phase through a single-step process. The film had a thickness of ca. 370 nm and was composed of aggregations of nanoparticles whose diameters were in the range of 50-100 nm. During the corrosion tests, the coated AZ31 substrate showed a higher corrosive resistance than the uncoated AZ31. Potentiodynamic polarization curve measurements revealed that a clear passive region approaching ca. 280 mV could be observed on the curve of the coated AZ31 substrate. The formation and corrosion mechanism of the coated AZ31 substrate has also been discussed.

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Chemical deposition and corrosive resistance of TiO₂/MgF ₂ composite nanofilm on magnesium alloy AZ31

Abstract

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