Corrosion-resistant Mn-Zr-Cr alloys in chloride-containing media

A. A. El-Moneim; Eiji Akiyama; H. Habazaki; A. Kawashima; K. Asami; K. Hashimoto

doi:10.1016/S0921-5093(99)00104-5

Corrosion-resistant Mn-Zr-Cr alloys in chloride-containing media

A. A. El-Moneim, Eiji Akiyama, H. Habazaki, A. Kawashima, K. Asami, K. Hashimoto

Materials Design Division

Research output: Contribution to journal › Conference article

5 Citations (Scopus)

Abstract

New series of nanocrystalline and amorphous single phase binary Mn-Zr and Mn-Cr and ternary Mn-Zr-Cr manganese-base alloys are successfully prepared by DC magnetron sputtering. Electrochemical measurements in combination with XPS analysis are used for examining the effect of single and binary additions of zirconium and chromium metals on the passivity and breakdown of manganese-base alloys in borate-boric acid solutions of pH 8.4 containing 0.01-1 M NaCl. Significant improvement in the resistance to passivity breakdown is observed when chromium and zirconium are added simultaneously to manganese instead of single addition of zirconium or chromium metals. The beneficial effect of simultaneous addition of zirconium and chromium is based mainly on the synergistic interaction between chromium and zirconium cations in the homogeneous double oxyhydroxide passive films formed on the alloy by open circuit immersion.

Original language	English
Pages (from-to)	285-293
Number of pages	9
Journal	Materials Science and Engineering A
Volume	267
Issue number	2
DOIs	https://doi.org/10.1016/S0921-5093(99)00104-5
Publication status	Published - 1999 Jul 31
Event	Proceedings of the 1998 5th International Symposium on Electrochemical/Chemical Reactivity of Novel Materials - Sendai, Jpn Duration: 1998 Oct 4 → 1998 Oct 7

Keywords

Manganese alloys
Passivity
Pitting
XPS

ASJC Scopus subject areas

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

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El-Moneim, A. A., Akiyama, E., Habazaki, H., Kawashima, A., Asami, K., & Hashimoto, K. (1999). Corrosion-resistant Mn-Zr-Cr alloys in chloride-containing media. Materials Science and Engineering A, 267(2), 285-293. https://doi.org/10.1016/S0921-5093(99)00104-5

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title = "Corrosion-resistant Mn-Zr-Cr alloys in chloride-containing media",

abstract = "New series of nanocrystalline and amorphous single phase binary Mn-Zr and Mn-Cr and ternary Mn-Zr-Cr manganese-base alloys are successfully prepared by DC magnetron sputtering. Electrochemical measurements in combination with XPS analysis are used for examining the effect of single and binary additions of zirconium and chromium metals on the passivity and breakdown of manganese-base alloys in borate-boric acid solutions of pH 8.4 containing 0.01-1 M NaCl. Significant improvement in the resistance to passivity breakdown is observed when chromium and zirconium are added simultaneously to manganese instead of single addition of zirconium or chromium metals. The beneficial effect of simultaneous addition of zirconium and chromium is based mainly on the synergistic interaction between chromium and zirconium cations in the homogeneous double oxyhydroxide passive films formed on the alloy by open circuit immersion.",

keywords = "Manganese alloys, Passivity, Pitting, XPS",

author = "El-Moneim, {A. A.} and Eiji Akiyama and H. Habazaki and A. Kawashima and K. Asami and K. Hashimoto",

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T1 - Corrosion-resistant Mn-Zr-Cr alloys in chloride-containing media

AU - El-Moneim, A. A.

AU - Akiyama, Eiji

AU - Habazaki, H.

AU - Kawashima, A.

AU - Asami, K.

AU - Hashimoto, K.

PY - 1999/7/31

Y1 - 1999/7/31

N2 - New series of nanocrystalline and amorphous single phase binary Mn-Zr and Mn-Cr and ternary Mn-Zr-Cr manganese-base alloys are successfully prepared by DC magnetron sputtering. Electrochemical measurements in combination with XPS analysis are used for examining the effect of single and binary additions of zirconium and chromium metals on the passivity and breakdown of manganese-base alloys in borate-boric acid solutions of pH 8.4 containing 0.01-1 M NaCl. Significant improvement in the resistance to passivity breakdown is observed when chromium and zirconium are added simultaneously to manganese instead of single addition of zirconium or chromium metals. The beneficial effect of simultaneous addition of zirconium and chromium is based mainly on the synergistic interaction between chromium and zirconium cations in the homogeneous double oxyhydroxide passive films formed on the alloy by open circuit immersion.

AB - New series of nanocrystalline and amorphous single phase binary Mn-Zr and Mn-Cr and ternary Mn-Zr-Cr manganese-base alloys are successfully prepared by DC magnetron sputtering. Electrochemical measurements in combination with XPS analysis are used for examining the effect of single and binary additions of zirconium and chromium metals on the passivity and breakdown of manganese-base alloys in borate-boric acid solutions of pH 8.4 containing 0.01-1 M NaCl. Significant improvement in the resistance to passivity breakdown is observed when chromium and zirconium are added simultaneously to manganese instead of single addition of zirconium or chromium metals. The beneficial effect of simultaneous addition of zirconium and chromium is based mainly on the synergistic interaction between chromium and zirconium cations in the homogeneous double oxyhydroxide passive films formed on the alloy by open circuit immersion.

KW - Manganese alloys

KW - Passivity

KW - Pitting

KW - XPS

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JO - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

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