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FP7

High heat flux testing of plasma facing materials and components - Status and perspectives for ITER related activities

Funded under: FP7-EURATOM

Abstract

A broad spectrum of high heat flux test facilities are being used worldwide to investigate the thermal response of plasma facing materials and components to fusion relevant thermal loads. These tests cover both normal operation scenarios with cyclic thermal loads and power densities in the range of several MW m-2 and transient heat load tests to simulate short events such as edge localized modes, plasma disruptions and vertical displacement events. There is an urgent need for reliable quality control methods and non-destructive analyses during the procurement phase of ITER; most of these techniques are based on heat flux methods. To quantify irradiation induced property changes and to evaluate the overall performance of neutron irradiated components, miniaturized plasma facing components have been irradiated in fission reactors and post-irradiation tested. Furthermore, in-pile tests have been carried out in order to study the synergetic effects of heat loads and neutron loads.

Additional information

Authors: LINKE J, Institut für Plasmaphysik, Forschungszentrum Jülich, Association EURATOM/FZJ, Trilateral Euregio Cluster, Jülich (DE);RÖDIG M, Institut für Plasmaphysik, Forschungszentrum Jülich, Association EURATOM/FZJ, Trilateral Euregio Cluster, Jülich (DE);MAZUL I V, D.V. Efremov Scientific Research Institute of Electrophysical Apparatus, St. Petersburg (RU);NYGREN R, Sandia National Laboratories, Albuquerque (US);ESCOURBIAC F, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);SCHLOSSER J, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);SUZUKI S, Department of Thermonuclear Fusion Research, Ibaraki-ken (JP)
Bibliographic Reference: An article published in: Journal of Nuclear Materials, Volumes 367-370, Part 2 (2007), pp. 1422-1431
Availability: This article can be accessed online by subscribers, and can be ordered online by non-subscribers, at: http://dx.doi.org/doi:10.1016/j.jnucmat.2007.04.028
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