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PPCA2-I - Fusion Reactor Related Technologies Development in ASIPP

Songtao Wu, Qunying Huang, Junling Chen, Yican Wu

Institute of Plasma Physics, Chinese Academy of Sciences


Abstract: Fusion research in the world has nowadays been focused on the R&D of future fusion reactor technologies, such as technologies of large scale superconducting magnets, RF/NBI heating and current drive, blanket and divertor, plasma control and diagnostics, tritium recycling and radiation resistant materials. Some key technologies have been developed by the projects of HT-7 in operation and EAST being built in the Institute of Plasma Physics, Chinese Academy of Sciences (ASIPP). The technologies, such as long pulse discharges for plasma initiation with low loop voltage, wall conditioning, plasma facing material (PFM), non-inductive current drive and heating, plasma control and data acquisition and processing etc., have been developed very well on the HT-7 superconducting tokamak in the past five years. The R&D programs of EAST have been quite successful, which have been especially focusing on the superconducting technologies development, such as design, fabrication and test technologies of large scale magnets and cable-in-conduit conductor. A multi-element doped graphite and thick gradient SiC coatings on carbon based materials (CBM) have been developed as plasma facing materials of the EAST device. Detailed investigation of the composition has been done. High-Z materials, e.g. Mo and W, and functionally graded materials for PFM have also been studied in China. As a primary candidate of structural materials of blanket, the Chinese version of the RAFM (Reduced Activation Ferritic/Marntensitic) steels, e.g. CLAM (China Low Activation Ferritic-Martensitic) steel, are being developed in ASIPP. In this paper, some key technologies developed in ASIPP are introduced.

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