Journal article

Computer-Simulation of Disordering Kinetics in Irradiated a(3)B Intermetallic Compounds

Molecular dynamics computer simulations of collision cascades on intermetallic Ni3Al, Cu3Au and NiAl have been performed to study the nature of the disordering processes in the cascade. The evolution of the crystalline and chemical order parameters show different time scales. To understand these features we study the liquid phase of these three alloys and present simulation results concerning the dynamical melting of small samples, examining the relaxation time and saturation value of the chemical short range order, SRO. A theoretical model for the time evolution of the SRO is given.


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