Abstract

Metallic glasses Ni 60Nb 40 , Ni 64Zr 36, Ni 33Zr 67, Fe 40Ni 40P 14B 6, Fe 40Ni 40B 20, Fe 80B 20 and Fe 40Ni 38Mo 4B 18 were bombarded at room temperature with helium ions in trie energy range 50–150 keV. Bubble formation, blistering, flaking and repeated exfoliation was observed. Amongst these glasses Ni 60Nb 40 and Ni 64Zr 36 which have good neutronic properties and thermal stability, have also shown higher resistance against blistering and stability under irradiation. The surface damage due to 100 keV argon ion irradiation is also discussed.

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