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Structural, microstructural and Mössbauer studies of nanocrystalline Fe100-x Alx powders elaborated by mechanical alloying

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Figure

Fig. 1 shows the evolution of XRD patterns for Fe100-xpeaks indicating a continuous decreases in the grain sizes and the introduction of lattice strain
Table 1. Average crystallite sizes, <D> (nm), and level of microdistorsions <> (%) versus Al content
Fig. 3. SEM micrographs of unmilled powder and Fe100-xAlx milled powders for various Al content after 35 h of milling time
Fig. 6. Mössbauer spectra at room temperature and corresponding relative hyperfine-magnetic field distributions for Fe100-xAlx powders after 35 h of milling time

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