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B42

Materials for fusion applications

The development of future fusion devices makes high demands on the materials to be used for the vacuum vessel and the in-vessel components. The extreme environment, i.e. high thermal loads and erosion due to sputtering by intense fluxes of ions, electrons and neutrals, thermally induced stresses, and intense fluxes of high energy neutrons result in a non-negligible material degradation. Aim of these material research activities is the development, the manufacturing, and the characterization of structural and plasma facing components for next step fusion devices (e.g. ITER) or future thermonuclear prototype reactors. The symposium will address a wide spectrum of material issues ranging from metals to ceramics, from monolithic systems to coated structures, from functionally graded materials to fibre reinforced composites. Beside the development of radiation resistant, low activation materials also joining techniques play an important role. The feasibility studies of new design options are based on extensive experimental approaches; these cover materials characterization, investigation of the material response under high particle fluxes, under intense thermal loads, due to corrosive attack or irradiation damage. The experimental approaches are complemented by modelling of these phenomena using analytical or numerical methods.

J. Linke, Research Centre Juelich

Conference Abstracs

B42 Materials for fusion applications

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