Investigation of the absorption properties of multilayer composites based on ABS-plastic with boron nitride

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Modeling of absorption capabilities of different plastics, including those with different content of boron nitride for ABS-plastic was performed. Modeling was carried out using the PHITS software package. The paper compares the results of modeling the absorption capacity of plastic with experimental data. The case of practical application of ABS-plastic as neutron-absorbing shutters of a diaphragm is considered.

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作者简介

N. Kovalenko

NRC “Kurchatov Institute” – PNPI

编辑信件的主要联系方式.
Email: kovalenko_na@pnpi.nrcki.ru
俄罗斯联邦, Gatchina, Leningradskaya Oblast, 188300

V. Tarnavich

NRC “Kurchatov Institute” – PNPI

Email: kovalenko_na@pnpi.nrcki.ru
俄罗斯联邦, Gatchina, Leningradskaya Oblast, 188300

Y. Chetverikov

NRC “Kurchatov Institute” – PNPI

Email: kovalenko_na@pnpi.nrcki.ru
俄罗斯联邦, Gatchina, Leningradskaya Oblast, 188300

参考

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  3. Li X., Wu J., Tang C., He Z., Yuan P., Sun Y., Lau W.-m., Zhang K., Mei J., Huang Y. High temperature resistant polyimide/boron carbide composites for neutron radiation shielding //Composites Part B: Engineering. 2019. V. 159. P. 355–361.
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  5. Zhang Xuan, Zhang Xianlong, Guo Shaoyun. Simple approach to developing high‐efficiency neutron shielding composites // Polymer Eng. Sci. 2019. V. 59. № s2. P. E348–E355.
  6. Shang Y., Yang G., Su F., Feng Y., Ji Y., Liu D., Yin R., Liu C., Shen C. Multilayer polyethylene/hexagonal boron nitride composites showing high neutron shielding efficiency and thermal conductivity // Comp. Commun. 2020. V. 19. P. 147–154.
  7. Прохоров А.М. Физическая энциклопедия. В 5-ти томах. Рипол Классик, 1988. https://phits.jaea.go.jp. Агентство Атомной энергии Японии
  8. Chetverikov Y.O., Bykov A.A., Krotov A.V., Mistonov A.A., Murashev M.M., Smirnov I.V., & Tarnavich V.V. Boron-containing plastic composites as neutron shielding material for additive manufacturing processes // Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2023. V. 1055. P. 168406.

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1. JATS XML
2. Fig. 1. The classical approach to the construction of multilayer radiation protection.

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3. Fig. 2. The modeling scheme.

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4. Fig. 3. Transmission coefficient for ABS and ABS + BN.

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5. Fig. 4. A model of the heterogeneous structure of a multilayer ABS/(ABS+BN) sample.

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6. Fig. 5. Transmission coefficient for ABS and ABS + BN when using multilayer samples.

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7. Fig. 6. Changing the transmission for different sample thicknesses with different numbers of ABS/(ABS+BN) layers.

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8. Fig. 7. Diaphragm for the formation of a neutron beam.

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9. Fig. 8. Cross section XZ (Y=0) of the calculated diaphragm model with PB10 shutters.

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10. Fig. 9. Angular distribution of neutrons for blinds made of various materials.

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11. 10. Neutron distribution: a) in the XZ (Y=0) plane of the computational model; b) in the YZ (X=0) plane of the computational model for PB10 blinds.

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