Corrosion behavior of sputter-deposited amorphous Al-Cr-Ti alloys in 1 M HCl

E. Akiyama; H. Habazaki; A. Kawashima; K. Asami; K. Hashimoto

doi:10.4028/www.scientific.net/msf.185-188.809

Corrosion behavior of sputter-deposited amorphous Al-Cr-Ti alloys in 1 M HCl

E. Akiyama, H. Habazaki, A. Kawashima, K. Asami, K. Hashimoto

Materials Design Division

Research output: Contribution to journal › Conference article › peer-review

4 Citations (Scopus)

Abstract

Corrosion rate of the Al-Cr-Ti alloys with relatively high chromium content in 1 M HCl solution are almost one order of magnitude lower than those of Al-Cr alloys. The ternary alloys are passivated spontaneously, while the open circuit potentials of Al-Cr alloys are in the active region even if a large amount of chromium is added. The higher corrosion resistance of the Al-Cr-Ti alloys in comparison with Al-Cr and Al-Ti alloys can be explained in terms of the beneficial effects of titanium addition preventing the enrichment of aluminum in the surface film and chromium addition enhancing the passivity and cathodic reactions even in the chloride containing strong acid.

Original language	English
Pages (from-to)	809-818
Number of pages	10
Journal	Materials Science Forum
Volume	185-188
DOIs	https://doi.org/10.4028/www.scientific.net/msf.185-188.809
Publication status	Published - 1995
Event	Proceedings of the 7th International Symposium on Passivity Passivation of Metals and Semiconductors - Clausthal, Ger Duration: 1994 Aug 21 → 1994 Aug 26

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Corrosion behavior of sputter-deposited amorphous Al-Cr-Ti alloys in 1 M HCl",

abstract = "Corrosion rate of the Al-Cr-Ti alloys with relatively high chromium content in 1 M HCl solution are almost one order of magnitude lower than those of Al-Cr alloys. The ternary alloys are passivated spontaneously, while the open circuit potentials of Al-Cr alloys are in the active region even if a large amount of chromium is added. The higher corrosion resistance of the Al-Cr-Ti alloys in comparison with Al-Cr and Al-Ti alloys can be explained in terms of the beneficial effects of titanium addition preventing the enrichment of aluminum in the surface film and chromium addition enhancing the passivity and cathodic reactions even in the chloride containing strong acid.",

author = "E. Akiyama and H. Habazaki and A. Kawashima and K. Asami and K. Hashimoto",

note = "Copyright: Copyright 2020 Elsevier B.V., All rights reserved.; Proceedings of the 7th International Symposium on Passivity Passivation of Metals and Semiconductors ; Conference date: 21-08-1994 Through 26-08-1994",

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AU - Akiyama, E.

AU - Habazaki, H.

AU - Kawashima, A.

AU - Asami, K.

AU - Hashimoto, K.

PY - 1995

Y1 - 1995

N2 - Corrosion rate of the Al-Cr-Ti alloys with relatively high chromium content in 1 M HCl solution are almost one order of magnitude lower than those of Al-Cr alloys. The ternary alloys are passivated spontaneously, while the open circuit potentials of Al-Cr alloys are in the active region even if a large amount of chromium is added. The higher corrosion resistance of the Al-Cr-Ti alloys in comparison with Al-Cr and Al-Ti alloys can be explained in terms of the beneficial effects of titanium addition preventing the enrichment of aluminum in the surface film and chromium addition enhancing the passivity and cathodic reactions even in the chloride containing strong acid.

AB - Corrosion rate of the Al-Cr-Ti alloys with relatively high chromium content in 1 M HCl solution are almost one order of magnitude lower than those of Al-Cr alloys. The ternary alloys are passivated spontaneously, while the open circuit potentials of Al-Cr alloys are in the active region even if a large amount of chromium is added. The higher corrosion resistance of the Al-Cr-Ti alloys in comparison with Al-Cr and Al-Ti alloys can be explained in terms of the beneficial effects of titanium addition preventing the enrichment of aluminum in the surface film and chromium addition enhancing the passivity and cathodic reactions even in the chloride containing strong acid.

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