Structure of Nb–Mo–B Alloys in the Nb–NbB–MoB–Mo Region and Phase Equilibria at Melting–Solidification Temperatures

X-ray diffraction, metallography, and electron microprobe analysis are employed to study the Nb–Mo–B alloys in as-cast state and after annealing at subsolidus temperatures in the Nb–NbB–MoB–Mo region. The solidus temperatures are measured by pyrometry using the Pirani–Alterthum technique. The experi...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 2016-03, Vol.54 (11-12), p.712-724
Main Authors: Potazhevska, O. A., Bondar, A. A., Duma, L. A., Sobolev, V. B., Velikanova, T. Ya
Format: Article
Language:English
Subjects:
Alloys
Analysis
Annealing
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Electron probe microanalysis
Electron probes
Glass
Liquidus
Materials Science
Metallic Materials
Metallography
Molybdenum
Natural Materials
Niobium base alloys
Phase equilibria
Pyrometry
Solidification
Solidus
X-ray diffraction
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Summary:X-ray diffraction, metallography, and electron microprobe analysis are employed to study the Nb–Mo–B alloys in as-cast state and after annealing at subsolidus temperatures in the Nb–NbB–MoB–Mo region. The solidus temperatures are measured by pyrometry using the Pirani–Alterthum technique. The experimental data are used to construct the solidus and liquidus surfaces in the range up to 50 at.% B for the first time.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-016-9766-3