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Report No.
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Thermo-structural analysis of target assembly and back plate in the IFMIF/EVEDA lithium test loop

Watanabe, Kazuyoshi; Ida, Mizuho; Kondo, Hiroo; Miyashita, Makoto; Nakamura, Hiroo

The Engineering Validation and Engineering Design Activity (EVEDA) of the International Fusion Materials Irradiation Facility (IFMIF) has been started under the Broader Approach Agreement. For the target assembly in the EVEDA Li test loop, two kinds of the back plates, "Integrated type" of SUS316L and "Bayonet type" of F82H, are going to be manufactured and tested. For thermo-structural design of the target assembly, we carried out thermo-structural analysis for these two types of the back plates by using the ABAQUS computer code. In the case of assuming thermal insulation for outer surface of the target assembly, the maximum stress of integrated type was 39.2 MPa, and that of Bayonet type was 340 MPa. These were lower than the permissible stress of their materials, therefore it was evaluated that insulation was effective against decreasing thermal stress.

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Category:Materials Science, Multidisciplinary

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