Development of quaternary Fe-B-Y-Nb bulk glassy alloys with high glass-forming ability

Dong Ho Kim, Jin Man Park, Do Hyang Kim, Won Tae Kim

Research output: Contribution to journalArticle

52 Citations (Scopus)


The effects of niobium (Nb) addition on the glass-forming ability (GFA), crystallization behavior, and compressive mechanical property of iron (Fe) - boron (B) - yttrium (Y) alloys have been investigated. Among the (Fe71.2B24Y4.8) 100-x Nbx(x = 0, 2, 4, 6, 8) alloys investigated, (Fe71.2B24Y4.8) 96 Nb4 exhibits the highest GFA, enabling the formation. of glassy rods with a maximum diameter of 7 mm, which is the largest among quaternary Fe-based alloys. The comparison of the crystallization behavior of the alloys shows that the formation of metastable Fe23B6 phase during crystallization in the (Fe71.2B24Y4.8) 96 Nb4 alloy can suppress the formation of other stable crystalline phases such as α-Fe, enhancing the stability of the glass phase. The present results show that the attainment of a significantly high GFA is possible even in a quaternary Fe-based alloy system by properly tailoring the competing crystalline phase by the modification of liquid chemistry.

Original languageEnglish
Pages (from-to)471-477
Number of pages7
JournalJournal of Materials Research
Issue number2
Publication statusPublished - 2007 Feb 1

All Science Journal Classification (ASJC) codes

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

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