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(ITERP1/25) Progress and Achievements of the ITER L-4 Blanket Project

W. Dänner¹, A. Cardella², R. Toschi¹, R. R. Parker², K. Ioki², H. Takatsu³, Y. Strebkov⁴, R. Mattas⁵, F. Tavassoli⁶, P. Lorenzetto¹, G. Kalinin², P. Batistoni⁷, R. T. Santoro², D. Maisonnier¹, G. Vieider¹

¹ The NET Team, Boltzmannstr. 2, D 85748 Garching, Germany
² ITER Joint Central Team, Boltzmannstr. 2, D 85748 Garching, Germany
³ JAERI, Blanket Engineering Lab., Naka-machi, Naka-gun, Ibaraki-ken, 311-0193 Japan
⁴ Research & Development Institute of Power Engineering, P.O.B. 788, Moscow, 101000, Russia
⁵ Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA
⁶ CEA, CEREM, CEA/Saclay, 91191 Gif sur Yvette Cedex, France
⁷ ENEA, CR Frascati, via E. Fermi 27, I-00044 Frascati, Italy

Abstract.  The L-4 Blanket Project embraces the R&D of the ITER Shielding Blanket, and its main objective is the fabrication of prototype components. This paper summarises the main conclusions from the materials R&D and the development of technologies which were required for the prototype specifications and manufacturing. The main results of the ongoing testing activities, and of the component manufacture are outlined. The main objectives of the project have been achieved including improvements of the material properties and of joining technologies, which resulted in good component quality and high performance in qualification tests.

Read the full paper in PDF format.