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Behaviour of helium after implantation in molybdenum

Abstract : This study deals with the behaviour of helium in a molybdenum liner dedicated to the retention of fission products. More precisely this work contributes to evaluate the release of implanted helium when the gas has precipitated into nanometric bubbles close to the free surface. A simple model dedicated to calculate the helium release in such a condition is presented. The specificity of this model lays on the assumption that the gas is in equilibrium with a simple distribution of growing bubbles. This effort is encouraging since the calculated helium release fits an experimental dataset with a set of parameters in good agreement with the literature.
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http://hal.in2p3.fr/in2p3-00379660
Contributor : Dominique Girod <>
Submitted on : Wednesday, April 29, 2009 - 10:10:10 AM
Last modification on : Tuesday, April 28, 2020 - 11:28:08 AM

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C. Viaud, S. Maillard, G. Carlot, C. Valot, E. Gilabert, et al.. Behaviour of helium after implantation in molybdenum. E-MRS 2008 Spring Meeting: Third Symposium N on Nuclear Materials, May 2008, Strasbourg, France. pp.294-298, ⟨10.1016/j.jnucmat.2008.12.005⟩. ⟨in2p3-00379660⟩

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