Rig design development for in situ tritium release studies of EU reference ceramic breeders (ACB-TREND)
Shaimerdenov A. Leys J. Kulsartov T. Sairanbayev D. Chikhray Y. Akhanov A. Askerbekov S. Ionescu‐Bujor M. Knitter R.
March 2025Elsevier Ltd
Fusion Engineering and Design
2025#212
Advanced Ceramic Breeder (ACB) material is the European reference material for the ITER Test Blanket Module (TBM) and the DEMO Helium Cooled Pebble Bed (HCPB) blanket concept. The biphasic ACB material (Li4SiO4 + Li2TiO3) has been extensively characterised and evaluated in the past. However, the ACBs in situ performance under neutron irradiation still has to be investigated in detail. Therefore, the “Advanced Ceramic Breeders in situ Tritium Release Experiment under Neutron irraDiation” (ACB-TREND) campaign was launched. For the irradiation taking place in the WWR-K research reactor, an irradiation rig (IR) design was developed that is presented here. The IR design needs to meet certain criteria that allows more fusion-like irradiation conditions. A cadmium shielding will be used to reduce the thermal neutrons to decrease the lithium burn-up significantly. The IR design was evaluated in a mock-up test. Small adaptions were made to completely cover the desired temperature range of 400–900 °C.
Advanced ceramic breeder , Irradiation rig design , Neutron irradiation , Tritium release
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The Institute of Nuclear Physics, Almaty, Kazakhstan
Karlsruhe Institute of Technology, Karlsruhe, Germany
al‐Farabi Kazakh National University, Almaty, Kazakhstan
The Institute of Nuclear Physics
Karlsruhe Institute of Technology
al‐Farabi Kazakh National University
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