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

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

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 predomin...

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Bibliographic Details
Published in:Scripta materialia Vol. 48; no. 10; pp. 1495 - 1500
Main Authors: Triveño Rios, Carlos, Milenkovic, Srdjan, Caram, Rubens
Format: Journal Article
Language:English
Published: New York, NY Elsevier Ltd 01-05-2003
Elsevier Science
Subjects:
Applied sciences
Composites
Cross-disciplinary physics: materials science; rheology
Eutectic solidification
Exact sciences and technology
Materials science
Metals. Metallurgy
Microstructure
Niobium aluminide
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
Solidification
Niobium aluminide
Composites
Eutectic solidification
Microstructure
Scanning electron microscopy
Ternary systems
Phase equilibria
Eutectic alloys
Aluminium
Nickel
Experimental study
Niobium
Solidification
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Summary: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.
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(03)00073-3