Studies of wetting characteristics of liquid Fe-Cr alloys on oxide substrates by sessile drop technique

J. Lee, M. Shin, J. H. Park, S. Seetharaman

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The purpose of this study was to investigate the wetting characteristics of three different oxide substrates (alumina, magnesia and dolomite) in order to examine the work of adhesion of Fe-Cr alloys on these substrates. The contact angle of a liquid drop (Fe-Cr alloy) on the oxide substrates was investigated at 1823 K under a H2 atmosphere by the sessile drop technique. The contact angle slightly decreased on the alumina and dolomite substrates with increasing chromium concentration, but did not change as much on the magnesia substrate. Among the tested substrates, alumina exhibited the highest contact angle and dolomite exhibited the lowest one. Accordingly, dolomite had the strongest work of adhesion, which was in agreement with the observations in the practical process.

Original languageEnglish
Pages (from-to)512-515
Number of pages4
JournalIronmaking and Steelmaking
Volume37
Issue number7
DOIs
Publication statusPublished - 2010 Oct 1

Keywords

  • Contact angle
  • Sessile drop technique
  • Skull formation
  • Stainless steel

ASJC Scopus subject areas

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

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