Authors: Hiroaki Kumada,Toshikazu Kurihara,Masakazu Yoshioka,Hitoshi Kobayashi,Hiroshi Matsumoto,Tomei Sugano,Hideyuki Sakurai,Takeji Sakae,Akira Matsumura,
Journal: Applied Radiation and Isotopes
https://doi.org/10.1016/j.apradiso.2015.07.033
Abstract: The iBNCT project team with University of Tsukuba is developing an accelerator-based neutron source. Regarding neutron target material, our project has applied beryllium. To deal with large heat load and blistering of the target system, we developed a three-layer structure for the target system that includes a blistering mitigation material between the beryllium used as the neutron generator and the copper heat sink. The three materials were bonded through diffusion bonding using a hot isostatic pressing method. Based on several verifications, our project chose palladium as the intermediate layer. A prototype of the neutron target system was produced. We will verify that sufficient neutrons for BNCT treatment are generated by the device in the near future.
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