Subsolidus phase equilibria of Fe-Ni-X-O (X = Mg, Al) systems in air

Rhamdhani, M. A., Hidayat, T., Hayes, P. C. and Jak, E. (2009) Subsolidus phase equilibria of Fe-Ni-X-O (X = Mg, Al) systems in air. Metallurgical and Materials Transactions B, 40 1: 25-38. doi:10.1007/s11663-008-9213-z

Author Rhamdhani, M. A.
Hidayat, T.
Hayes, P. C.
Jak, E.
Title Subsolidus phase equilibria of Fe-Ni-X-O (X = Mg, Al) systems in air
Journal name Metallurgical and Materials Transactions B   Check publisher's open access policy
ISSN 1073-5615
Publication date 2009-02-01
Sub-type Article (original research)
DOI 10.1007/s11663-008-9213-z
Open Access Status DOI
Volume 40
Issue 1
Start page 25
End page 38
Total pages 14
Editor David E. Laughlin
Place of publication New York, U.S.A.
Publisher Springer New York
Language eng
Subject C1
0904 Chemical Engineering
84 Mineral Resources (excl. Energy Resources)
091407 Pyrometallurgy
Abstract The phase equilibria of Fe-Ni-X-O (X = Mg, Al) systems, including their lower-order systems, at temperatures between 1200 C and 1600 C in air in the subsolidus region, have been experimentally studied. In the present study, the ‘Fe2O3’-MgO, ‘Fe2O3’-Al2O3, and NiO-Al2O3 binary phase diagrams, as well as the ternary phase diagrams in the Fe-Ni-Mg-O and Fe-Ni-Al-O systems projected onto the Fe-Mg-Ni and Fe-Al-Ni planes, have been constructed. Differences have been found between the present measurements, the previously published data, and the FactSage predictions, especially in the lower-order systems. It is suggested that the improved experimental techniques used in the present study, which involve carefully planned equilibration procedures followed by electron probe X-ray microanalyses (EPMA), provide more accurate and precise measurements of the phase boundaries and phase compositions.
Keyword Phase equilibria
Subsolidus region
Electron probe X-ray microanalyses (EPMA)
Equilibration procedures
Phase boundaries
Phase compositions
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

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