Structural relaxation and crystallisation in Fe-Cr-Si-B and Fe-Cu-Cr-Si-B amorphous alloys

Abstract

Structural relaxation, crystallisation and optimisation processes in soft magnetic amorphous alloys based on iron are examined by applying different experimental techniques: X -ray diffraction analysis, high- resolution electron microscopy, measurements of magnetic and electric properties (permeability, after- effect, resistivity) . The presented results are discussed in terms of annealing out of micro voids, formation of a nano crystalline phase and changes of effective magnetostriction constant.