Abstract
The structure of melt spun Al-Fe alloys was investigated by HREM (high resolution electron microscopy), Mossbauer spectroscopy and X-ray diffraction. Rapidly quenched Al-Fe alloys consisted of the aluminum rich fcc crystalline phase dominantly and iron rich second phase composed of ultra fine scattered centers with a size of ten nanometer observed in the grain boundary region as well as in the matrix. The amount of soluted iron atoms in the fcc phase estimated from a Mossbauer spectrum increased with iron content. A good correlation was obtained between the concentration of soluted iron and the change in lattice parameter.
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