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With the rapid development and utilization of energy by human beings, the preparation of high-efficiency energy storage materials has become a current hot spot. This article mainly studies the mechanical properties of high temperature resistant energy storage dielectric materials and radiation scintillation detection composite materials in bridge construction. In this paper, the dispersion conditions of PBI on carbon nanomaterials were optimized, and PBI derivatives with different chemical structures were synthesized to enhance the interface force between them and carbon nanomaterials. By means of physical blending and chemical reaction grafting, the non-covalent modification or covalent modification of the surface of CNTs and graphene by the polymer was realized. In this paper, FTIR can be used to characterize the molecular structure and segment conformation (crystal phase) of PVDF-based polymers. The attenuated total reflection (ATR) mode of the E55 + FRA106 instrument was used to directly test the polymer film. In this paper, MCNP is used to simulate the interaction between Y-rays and crystal, and the structure of the detector probe is designed, including the selection of crystal material, the design of crystal size, and the requirements of structural packaging. A self-made plastic light cone is used for the coupling between the scintillator and the transmission fiber. With the increase of TPU content, the breakdown strength of the composite film showed a trend of first increasing and then decreasing. TPUs with three hardnesses all showed the highest breakdown field strength at a content of 3 vol%. The results show that changing the direct connection between the scintillator and the PMT to the light guide connection can effectively improve the light collection efficiency of the detection system. Under the simulation conditions in this article, the increase is about 30%, which is considerable and has a certain energy resolution capability.

integrated ferroelectrics

Mechanical Properties of High Temperature Resistant Energy Storage Dielectric Materials and Radiation Scintillation Detection Composite Materials in Bridge Construction