The corrosion behavior of sputter-deposited Mo-Ti alloys in concentrated hydrochloric acid

P. Y. Park; E. Akiyama; H. Habazaki; A. Kawashima; K. Asami; K. Hashimoto

doi:10.1016/S0010-938X(96)00041-8

The corrosion behavior of sputter-deposited Mo-Ti alloys in concentrated hydrochloric acid

P. Y. Park, E. Akiyama, H. Habazaki, A. Kawashima, K. Asami, K. Hashimoto

Materials Design Division

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

58 Citations (Scopus)

Abstract

Mo-Ti alloys composed of a single bcc solid solution have been prepared by a sputter deposition technique. The corrosion resistance of the Mo-Ti alloys in 12 M HCl is extremely high, being superior to that of molybdenum and titanium metals. The Mo-Ti alloys are spontaneously passivated in 12 M HCl. The corrosion potential of these alloys is slightly lower than that of molybdenum. The spontaneously passivated film on the alloys is significantly enriched in tetravalent molybdenum, as a consequence of preferential dissolution of titanium. The angle-resolved XPS analysis reveals that there is a compositional gradient in the passive film; molybdenum ions are concentrated in the exterior of the passive films while the concentration of titanium increases in the interior of the films.

Original language	English
Pages (from-to)	1649-1667
Number of pages	19
Journal	Corrosion Science
Volume	38
Issue number	10
DOIs	https://doi.org/10.1016/S0010-938X(96)00041-8
Publication status	Published - 1996 Oct 1

Keywords

A. Alloy
A. Sputtered films
B. Polarization
B. XPS
C. Passive films

ASJC Scopus subject areas

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

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10.1016/S0010-938X(96)00041-8

Cite this

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abstract = "Mo-Ti alloys composed of a single bcc solid solution have been prepared by a sputter deposition technique. The corrosion resistance of the Mo-Ti alloys in 12 M HCl is extremely high, being superior to that of molybdenum and titanium metals. The Mo-Ti alloys are spontaneously passivated in 12 M HCl. The corrosion potential of these alloys is slightly lower than that of molybdenum. The spontaneously passivated film on the alloys is significantly enriched in tetravalent molybdenum, as a consequence of preferential dissolution of titanium. The angle-resolved XPS analysis reveals that there is a compositional gradient in the passive film; molybdenum ions are concentrated in the exterior of the passive films while the concentration of titanium increases in the interior of the films.",

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AU - Habazaki, H.

AU - Kawashima, A.

AU - Asami, K.

AU - Hashimoto, K.

PY - 1996/10/1

Y1 - 1996/10/1

N2 - Mo-Ti alloys composed of a single bcc solid solution have been prepared by a sputter deposition technique. The corrosion resistance of the Mo-Ti alloys in 12 M HCl is extremely high, being superior to that of molybdenum and titanium metals. The Mo-Ti alloys are spontaneously passivated in 12 M HCl. The corrosion potential of these alloys is slightly lower than that of molybdenum. The spontaneously passivated film on the alloys is significantly enriched in tetravalent molybdenum, as a consequence of preferential dissolution of titanium. The angle-resolved XPS analysis reveals that there is a compositional gradient in the passive film; molybdenum ions are concentrated in the exterior of the passive films while the concentration of titanium increases in the interior of the films.

AB - Mo-Ti alloys composed of a single bcc solid solution have been prepared by a sputter deposition technique. The corrosion resistance of the Mo-Ti alloys in 12 M HCl is extremely high, being superior to that of molybdenum and titanium metals. The Mo-Ti alloys are spontaneously passivated in 12 M HCl. The corrosion potential of these alloys is slightly lower than that of molybdenum. The spontaneously passivated film on the alloys is significantly enriched in tetravalent molybdenum, as a consequence of preferential dissolution of titanium. The angle-resolved XPS analysis reveals that there is a compositional gradient in the passive film; molybdenum ions are concentrated in the exterior of the passive films while the concentration of titanium increases in the interior of the films.

KW - A. Alloy

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KW - B. Polarization

KW - B. XPS

KW - C. Passive films

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The corrosion behavior of sputter-deposited Mo-Ti alloys in concentrated hydrochloric acid

Abstract

Keywords

ASJC Scopus subject areas

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