Abstract

The influence of the quenching rate on the structure of amorphous and microcrystalline Fe40Ni40B20 was investigated by differential scanning calorimetry (DSC) and by Mössbauer spectroscopy. The quenching rate was varied by adjusting the velocity of the quenching wheel. The DSC results reveal structural relaxation before the onset of crystallization and Mössbauer spectra help to identify both changes in spin orientation before crystallization and the structure of the microcrystalline phases which result from low quenching rates.

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