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Dual-beam irradiation of α-iron: Heterogeneous bubble formation on dislocation loops

Abstract : In order to understand the evolution of materials under irradiation conditions similar to those in future fusion reactors, we have irradiated high purity iron in situ in a transmission electron microscope with 1 MeV Fe+ ions while simultaneously implanting 15 keV He+ ions, at 500 °C. Once not, vert, similar1 dpa/500 appm He were reached, helium bubbles and large dislocation loops were observed. The study reveals that helium bubbles nucleated heterogeneously: a majority of them were observed inside the large dislocation loops. 2011 Elsevier B.V. All rights reserved.
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http://hal.in2p3.fr/in2p3-00621096
Contributor : Christine Hadrossek <>
Submitted on : Friday, September 9, 2011 - 2:14:06 PM
Last modification on : Wednesday, November 11, 2020 - 3:52:04 AM

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D. Brimbal, B. Décamps, A. Barbu, E. Meslin, J. Henry. Dual-beam irradiation of α-iron: Heterogeneous bubble formation on dislocation loops. Journal of Nuclear Materials, Elsevier, 2011, 418, pp.313-315. ⟨10.1016/j.jnucmat.2011.06.048⟩. ⟨in2p3-00621096⟩

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