Corrosion resistance and XPS studies of Ni-rich Ni-Pd-P-B bulk glassy alloys

C. L. Qin, Y. Q. Zeng, D. V. Louzguine, N. Nishiyama, A. Inoue

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

New Ni-rich Ni-Pd-P-B bulk glassy alloys with high glass-forming ability were formed by water quenching. The Ni60Pd20P 17B3 and Ni65Pd15P 17B3 alloys possess high corrosion resistance in 1N H 2SO4 and 3 mass% NaCl solutions. In both solutions, their corrosion resistance decreases with increasing Ni content in the alloys. The origin of high corrosion resistance for the Ni60Pd20P 17B3 alloy in the corrosive solutions is explained by formation of the Pd-enriched sub-surface layer, which is able to protect the alloy against the corrosion.

Original languageEnglish
Pages (from-to)S172-S175
JournalJournal of Alloys and Compounds
Volume504
Issue numberSUPPL. 1
DOIs
Publication statusPublished - 2010 Aug

Keywords

  • Bulk glassy alloys
  • Localized corrosion
  • Polarization curves
  • XPS measurements

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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