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1 Materials Science Poland

1 2014

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Laser induced structure transformation in Co70Fe3Mn3.5Mo1.5B11Si11 amorphous alloy

Mudry S. I., Nykyruy Yu.S.

Materials Science Poland

2014

Vol. 32, No. 1

28--33

Laser induced structure changes in amorphous Co70Fe3Mn3:5Mo1:5B11Si11 alloy have been studied by means of X-ray diffraction and magnetic properties measurements. Both three types of structural relaxations and a starting stage of crystallization process are considered as main characteristics of structure transformation upon laser treatment. Results of investigation of this amorphous alloy at different parameters of laser irradiation have shown that this alloy becomes partly crystalline after irradiation with laser pulse fluence of about 1.8 J/mm2 and pulse duration t = 2 × 10-5 sec. Increasing of laser pulse fluence above 2.0 J/mm2 leads to the destruction of ribbon, due to intensive evaporation.