Crystallization study of amorphous Pd_(43)Ni_(10)Cu_(27)P_(20) alloy by internal friction measurement

摘要

We have successfully measured the internal friction and electrical resistivity of Pd_(43)Ni_(10)Cu_(27)P_(20) bulk metallic glass during a constant heating process. The results of electrical resistivity suggest that the position of the internal friction peak is the onset temperature of crystallization. The dependence of internal friction on frequencies show both linear and nonlinear relations. The internal friction at 623 K in the supercooled liquid region decreases monotonously with the increase of annealing time, indicating structural relaxation and subsequent crystallization occurs during isothermal annealing near the crystallization temperature.