Influence of structure on the evolution of magnetic and mechanical properties of amorphous and nanocrystalline Fe85.4Hf1.4B13.2 alloy

The amorphous Fe85.4Hf1.4B13.2 alloy is transformed into a two-phase nanocrystalline material in the optimization annealing at T(op)=523 K, near to primary crystallization temperature T(x1). Correlations between structure and magnetic and mechanical properties in amorphous and nanocrystalline sample...

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Bibliographic Details
Published in:Journal of materials processing technology 2005-05, Vol.162-163, p.254-259
Main Authors: Szewieczek, D., Lesz, S.
Format: Article
Language:English
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Summary:The amorphous Fe85.4Hf1.4B13.2 alloy is transformed into a two-phase nanocrystalline material in the optimization annealing at T(op)=523 K, near to primary crystallization temperature T(x1). Correlations between structure and magnetic and mechanical properties in amorphous and nanocrystalline samples are studied by applying different experimental techniques. It has been shown that 1-h optimization annealing treatment at temperature T(op) leads to a significant increase of magnetic permeability with excellent plasticity. The resulting structure is composed of alphaFe nanocrystalline grains with diameter of about 5 nm embedded in the amorphous matrix.
ISSN:0924-0136
DOI:10.1016/j.jmatprotec.2005.02.017