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Abstract

This paper presents our experience with precipitation hardened CuCrZr in the fabrication of actively cooled components for Tore Supra (toroidal pump limiter fingers, guard limiter jeat sink hollow-profiles, ripple protection tubes, endoscope heads) and JET high heat flux elements for the beam-lines. The supposed interplay phenomenon between CuCrZr procurement, component geometry and welding procedure is discussed. The associated mechanical characterisation of materials from different suppliers and component joinings, focussed especially on CuCrZr- CuCrZr fusion weldings using electron beams, is presented. The behaviour of an actively cooled CuCrZr component during accidental operation conditions in Tore Supra is described.

Additional information

Authors: LIPA M., Departement de Recherches sur la Fusion Controlee, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);DUROCHER A, Departement de Recherches sur la Fusion Controlee, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);TIVEY R, Max-Planck-Institut fur Plasmaphysik, IPP-EURATOM Association, Garching (DE);HUBER T, Plansee AG, Reutte (AT);SCHEDLER B, Plansee AG, Reutte (AT);WEIGERT J, PTR Prazisionstechnik GmbH, Maintak-Doernigheim (DE)
Bibliographic Reference: An oral paper given at: 23rd Symposium on Fusion Technology Organised by: Consorzio RFX (IT) Held at: Fondazione Cini, Venice (IT)
Availability: Available from Association EURATOM-CEA, Departement de Recherches sur la Fusion Controlee, CEA Cadarache, F-13108 St Paul-Lez-Durance, France Tel: (+33) 4 42 25 70 01; Fax: (+33) 4 42 25 64 21 E-mail: dirdrfc@drfc.cad.cea.fr
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