Abstract
Metallic glass Ni 62 Ta 38 was irradiated with the high-intensity pulsed ion beams (HIPIB) at an energy density of 0.32 J/cm 2 and different impulse times to study the structural thermal stability. Metallic glass Ni 62 Ta 38 remained an amorphous structure after HIPIB irradiation at different impulse times. However, the arrangement of atomic structure in the depth of about 700 nm from the surface of metallic glass became more disordered after irradiation. When the number of pulses increased to 300, a small amount of “bumps” appeared on the surface of the metallic glass, and no radiation damage such as cracks occurred. It shows that the metallic glass Ni 62 Ta 38 has good resistance to thermal damage from HIPIB irradiation and good structural stability.
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