Experimental investigation of phase equilibria in the Nb–Ni–Si refractory alloy system at 1073 K

Vinícius O. dos Santos, Matheus A. Tunes, Luiz T.F. Eleno, Cláudio G. Schön, Klaus W. Richter

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Abstract

Twelve different compositions of the ternary Nb–Ni–Si system were synthesized and heat-treated at 1073 K for up to 1000 h. The microstructure of the samples were analyzed using Scanning Electron Microscopy, Energy Dispersive X-ray Spectroscopy and X-ray Diffraction. The results from this work solve inconsistencies between the existing experimental information and the new computational predictions, in favor of the latter, due to the difficulty of reaching thermal equilibrium at this temperature.

Original languageEnglish
Pages (from-to)96-100
Number of pages5
JournalScripta Materialia
Volume164.2019
Issue number15 April
Early online date7 Feb 2019
DOIs
Publication statusPublished - 15 Apr 2019
Externally publishedYes

Bibliographical note

Publisher Copyright: © 2019 Acta Materialia Inc.

Keywords

  • Energy Dispersive X-ray Spectroscopy
  • Nb–Ni–Si
  • Refractory alloys
  • Scanning Electron Microscopy
  • X-ray Diffraction

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