Structural evolution of Fe + Fe2O3 during mechanical milling
Ding, J. Miao, W.F. Piraulta, E. Street, R. McCormick, P.G.
Miao, W.F.
Piraulta, E.
Street, R.
McCormick, P.G.
Citations
Altmetric:
Alternative Title
Abstract
The evolution of structure during the mechanical milling of the Fe + Fe2O3 mixture has been studied. Magnetite, Fe3O4, was initially formed after milling for short times. Nearly single-phase wüstite, FeO, was found after milling for 30 h or longer. The kinetics of the phase transformations was studied by X-ray diffraction, Mössbauer spectroscopy and magnetic measurement. Nanocrystalline wüstite formed during mechanical milling, decomposed into nanocrystalline Fe3O4 and Fe after annealing at 200-500°C. Annealing at higher temperatures resulted in reformation of the wüstite phase. © 1998 Elsevier Science B.V. All rights reserved.
Keywords
Mechanical alloying, Mössbauer spectroscopy, Fe compounds, Nanocrystalline materials, Phase transition, crystallographic
Source Title
Journal of Magnetism and Magnetic Materials
Publisher
Series/Report No.
Collections
Rights
Date
1998-01
DOI
Type
Article