The Evolution of Deuterium Bubbles in Iron under Electron Irradiation

Shao Ning Jiang; Yi Long; Jin Xiu Sun

doi:10.4028/www.scientific.net/AMR.652-654.1002

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 652-654The Evolution of Deuterium Bubbles in Iron under...

The Evolution of Deuterium Bubbles in Iron under Electron Irradiation

Abstract:

To investigate the interaction between Reduced Activation Ferritic Martisitic steel (RAFMs) and deuterium produced by the plasma in Tokamak, iron was implanted deuterium ions at RT, then aged at 773K for 1h. Finally it was irradiated with 1250keV electrons in high voltage electronic microscope (HVEM) at 773K. The result shows that dense small bubbles appeared on surface of iron in the form of convex lens after aged. The bubbles have tended to distribute along some line in grain body. Electron irradiation at 773K resulted in a greater size and a smaller density of bubbles with the increasing dose. Bubbles continued to grow up and broke. Lateral stress drive theory indicates the evolution of bubbles on surface in iron is mainly attributed to lateral stress caused by irradiation.

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

1002-1006

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.1002

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Online since:

January 2013

Authors:

Shao Ning Jiang, Yi Long, Jin Xiu Sun

Keywords:

Bubble, Deuterium Ions Implantation, Lateral Stress Drive

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