Modeling of the grain boundary segregation of helium in -Fe

Suzudo, Tomoaki ; Kaburaki, Hideo; Yamaguchi, Masatake

This paper discusses a computational approach to the helium segregation at grain boundaries with reference to the helium embrittlement under the fast neutron irradiation; we particularly applied a kinetic Monte-Carlo method to the modeling of the segregation phenomena in alpha-iron. In the calculation, the migration and segregation energies of helium atoms given by the first principle calculations are used. Obtained results are discussed in comparison with McLean's equilibrium segregation theory.

Language	:	English
Journal	:	Journal of Nuclear Materials
Volume	:	417
Number	:	1-3
Pages	:	p.1102 - 1105
Publication Year/Month	:	2011/10
Meeting title	:	14th International Conference on Fusion Reactor Materials (ICFRM-14)
Held date	:	2009/09
Location (city)	:	Sapporo
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/j.jnucmat.2011.02.014
DOI for research data	:
Keywords	:	no keyword
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Press Release	:
Article of JAEA R&D Review	:
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Web of Science® Times Cited Count	:	Times Cited Count： If you would like to get the latest times cited, please access the Web of Science®. http://www.webofknowledge.com/wos
InCites™	:	Percentile:60.88 Category:Materials Science, Multidisciplinary
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Registration No. : BB20091301
JAEA Abstracts No. : 39001392
Paper Submission No. : 9675

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