Formation of dislocation loops during He clustering in bcc Fe

The clustering of helium in bcc (body centered cubic) iron and the growth of a helium bubble are simulated at the atomistic level for the helium-rich vacancy-poor condition. It is shown that a 1/2 < 111 > dislocation loop is formed as a sequential collection of < 111 > crowdions, the latter being the most stable self-interstitial atom configuration in the presence of a He cluster.


Published in:
Journal Of Physics-Condensed Matter, 23, -
Year:
2011
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 Record created 2011-12-16, last modified 2018-09-13


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