ABSTRACT
The ductile-brittle transition was determined using the parameter in mechanical tests at room temperature with 180° free bending. To develop the physically substantiated method of predicting the ductile-brittle transition, the main criterion of the thermal and time stability of the amorphous alloys was developed by investigations on five amorphous alloys of the transitional metal- metalloid type, produced by the spinning method. One of the efficient methods of obtaining information about the physical and structural parameters of the amorphous alloys is the method of differential scanning calorimetry (DSC) and differential thermal analysis (DTA). These methods can be used to investigate the evolution of heat generation of the relaxation spectrum (RS) in dependence on the intensity and nature of the destabilising effects, in particular after the thermal and time effects on the amorphous alloys. The integral characteristic of the deviation of the amorphous alloy from the thermodynamic equilibrium state is the heat generation of the relaxation spectrum.
