Structural and phase transformations during crystallization of Pd_(43)Ni_(10)Cu_(27)P_(20) metallic glass

摘要

Crystallization of the Pd_(43)Ni_(10)Cu_(27)P_(20) amorphous alloy during isothermal annealing in the undercooled temperature region is studied by electron microscopy and differential scanning calorimetry (DSC). It is established that different crystallization processes take place above and below the nose temperature of the time-temperature-transformation (TTT) diagram. Detailed analysis of the microstructural evolution at the early stages of the crystallization is performed. In addition, the stable phases in the Pd-Ni-Cu-P system are identified.