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

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

研究成果: Conference article査読

5 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)285-293
ページ数9
ジャーナルMaterials Science and Engineering A
267
2
DOI
出版ステータスPublished - 1999 7 31
イベントProceedings of the 1998 5th International Symposium on Electrochemical/Chemical Reactivity of Novel Materials - Sendai, Jpn
継続期間: 1998 10 41998 10 7

ASJC Scopus subject areas

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

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