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KFM: Fachverband Kristalline Festkörper und deren Mikrostruktur

KFM 18: Diamond II + Poster

KFM 18.6: Poster

Mittwoch, 14. März 2018, 16:50–17:30, E 124

Mechanical load study on Diamond Window Mock-up — •Andreas Meier, Theo Scherer, Gaetano Aiello, Giovanni Grossetti, Francesco Mazzocchi, Sabine Schreck, and Dirk Strauss — KIT Karlsruhe, 76344 Eggenstein-Leopoldshafen, Germany

An Electron Cyclotron Heating (ECH) is an effective heating system in nuclear fusion reactors. The power transfer of the microwave radiation into the torus is realized by diamond windows which are relevant components for the retention of tritium. Mechanical stability and leak tightness are essential characteristics. A mock-up, consisting of a large diamond disk, diameter 80mm and thickness 1.11mm, brazed on cylindrical copper cuffs (diameter 70mm) was tested under different pressure scenarios and cyclic loads. Leak tightness measurements identified leak rates directly by using helium gas.