The formation of helium bubbles in 316L SS irradiated with helium ions at different temperatures

Specimens of 20% cold worked 316L SS were irradiated with 2.5 MeV 4He + at room temperature, 500 and 600°C separately. The bubble structures in bulk were investigated in a transmission electron microscope with cross sectional technique. As the irradiation temperature is raised from room temperature...

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Bibliographic Details
Published in:Journal of nuclear materials 1994-09, Vol.212, p.345-351
Main Authors: Chen, K.Q., Wang, Y.S., Quan, J.M., Sun, J.G., Zhang, C.H., Zhao, Z.Y.
Format: Article
Language:English
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Summary:Specimens of 20% cold worked 316L SS were irradiated with 2.5 MeV 4He + at room temperature, 500 and 600°C separately. The bubble structures in bulk were investigated in a transmission electron microscope with cross sectional technique. As the irradiation temperature is raised from room temperature to 500°C, the bubbles grow slowly. When the irradiated temperature is varied from 500 to 600°C, the bubbles grow very fast. This means there is a turning point of bubbles evolution between 500 and 600°C. At the same temperature, the bubble size and density tend to saturation with the increasing of helium atom concentration and displacement per atom (dpa).
ISSN:0022-3115
1873-4820
DOI:10.1016/0022-3115(94)90084-1