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A novel ternary eutectic in the Nb–Al–Ni system

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
48
Issue
10
Identifiers
DOI: 10.1016/s1359-6462(03)00073-3
Keywords
  • Eutectic Solidification
  • Niobium Aluminide
  • Microstructure
  • Composites

Abstract

Abstract A novel ternary eutectic reaction L → Nb 2Al + Al 3Nb + AlNbNi occurs at the composition of Al–40.4Nb–2.42Ni and the temperature of 1553.6 °C. The third phase is an Al-rich AlNbNi phase with the composition Al–33.3Nb–12.3Ni. Ternary Nb–Al–Ni eutectic exhibits regular microstructure with the predominantly fibrous morphology.

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