Ion simulation of neutron damage in fast and

fusion reactor materials using ion beam

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Text Box: The development of structural materials towards the Indian Fast Breeder Reactor program aims at extending the in-pile residence time to about 150 dpa.  The role of minor elements in influencing the swelling has been quite well known.  But the mechanistic understanding of the synergy between the swelling behavior and the minor element addition is not clearly understood.  Our research efforts are mostly concentrated in explaining the swelling behavior of materials belonging to the genres, the titanium and phosphorus modified austenitic steels.  The swelling behavior of the said alloys is studied by introducing displacement damage by charged particles.  We present glimpses from such studies which suggest a sensitive relationship between the void swelling behavior and concentration of the added solute element.