2019, Volume 21, Issue 1
Strategic Study of CAE >> 2019, Volume 21, Issue 1 doi: 10.15302/J-SSCAE-2019.01.006
Materials for Components in Accelerator-driven Subcritical System
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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Abstract
Accelerator-driven subcritical system (ADS) mainly composes of a high beam intensity high-energy-ion accelerator, a high-power spallation target, and a subcritical reactor. ADS is a key part of the accelerator-driven advanced nuclear energy system (ADANES), and its research and development (R&D) will play a very important role in promoting China’s energy transformation and stimulating the innovative development of China’s nuclear energy industry. In this paper, the status and potential trends as well as materials requirements for the R&D of ADS facilities are introduced. Then the R&D progress and problems, development opportunities, and challenges of the key materials for the high-power spallation target and the subcritical reactor are intensively discussed. Finally, several countermeasures are proposed, in the hope of pushing forward the ADS facility construction and the technological innovation of advanced nuclear fission energy, and promoting safe, efficient, and sustainable development of advanced nuclear fission energy in the future.
Keywords
accelerator-driven subcritical system (ADS) ; accelerator-driven advanced nuclear energy system (ADANES) ; key materials ; subcritical reactor ; high-power spallation target
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