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Measuring temperature effects on nano-bubble growth in tungsten with grazing incidence small angle X-ray scattering

Thompson, Matt; Doerner, Russ; Ohno, Noriyasu; Kirby, Nigel; Kluth, Patrick; Riley, Daniel; Corr, Cormac

Description

W samples were exposed to He plasma in the MAGPIE, NAGDIS-II and PISCES-A across a range of sample temperatures between 473–1123 K. GISAXS was used to quantify the effect of plasma fluence and W surface temperature on He nano-bubble size distributions. In NAGDIS-II at 873 K nano-bubbles are exponentially distributed with mean diameters μ = 0.64 ± 0.01 nm, similar to the value of μ = 0.62 ± 0.01 nm found for the MAGPIE plasma device at the much lower temperature of 473 K. Above ∼900 K...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/113755
Source: Nuclear Materials and Energy
DOI: 10.1016/j.nme.2016.11.025

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