Solid/liquid interaction between a multicomponent FeCrNiCoMnAl high entropy alloy and molten aluminum

Hung Hua Yang, Wen Ta Tsai, Jui Chao Kuo, Chih Chao Yang

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

This study investigates the interfacial reaction between an as-cast multicomponent FeCrNiCoMnAl high-entropy alloy (HEA) and an Al melt at 700°C. The microstructure, phase identification, and chemical composition were analyzed by using scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), transmission electron microscopy (TEM) and electron back scattering diffraction (EBSD). The results showed that the contact between the solid substrate and the Al melt resulted in the formation of a region with complicated microstructure at the interface. The dissolution of the substrate alloying elements into the Al melt also caused chemical composition and phase changes in the solidified Al crust.

Original languageEnglish
Pages (from-to)8176-8182
Number of pages7
JournalJournal of Alloys and Compounds
Volume509
Issue number32
DOIs
Publication statusPublished - 2011 Aug 11

All Science Journal Classification (ASJC) codes

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

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