期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 305, 期 3, 页码 787-794出版社
SPRINGER
DOI: 10.1007/s10967-015-4059-8
关键词
Neutron-generating target; Compact neutron source; Blistering; Activation
资金
- Advanced Manufacturing Support Team, RIKEN Center for Advanced Photonics
- Grants-in-Aid for Scientific Research [24105004] Funding Source: KAKEN
A neutron generating target using a Be(p,n) reaction was developed for a RIKEN compact accelerator-driven neutron source (RANS). The major problem of targets using a low energy proton beam is blistering, which is actually due to hydrogen embrittlement caused by injected hydrogen. To avoid this problem, the authors have proposed a new target design with a hydrogen diffusible backing and its design was modeled using finite-element analysis (FEM) and Monte-Carlo ion injection simulation. Also, the mechanical strength and heat removal capability of the target were considered by FEM. Based on those simulations, a new target was manufactured and applied to RANS and operated for 1 year without any problems. Also, the residual radioactivity of the target was investigated by experiment and simulation.
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