Abstract
Metallic glasses Fe 40Ni 40P 14B 6 and Fe 40Ni 38Mo 4B 18 were irradiated with 100 keV hydrogen ions at room temperature. Irradiated specimens were examined for surface blistering and gas bubbles using scanning and transmission electron microscopy, respectively. The critical dose for blister formation in metallic glasses is determined to be 1.5 × 10 19 ions/ cm 2. A comparative study of the alloy Fe 40Ni 40P 14B 6 in amorphous and thermally crystallized states showed that the critical dose for blistering in the amorphous state is nearly three times higher relative to that in the crystallized state. TEM investigations revealed the precipitation of implanted hydrogen into gas bubbles in metallic glasses as well as the crystallized alloy.
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