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

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Abstract

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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About the authors

N. A. Kovalenko

NRC “Kurchatov Institute” – PNPI

Author for correspondence.
Email: kovalenko_na@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningradskaya Oblast, 188300

V. V. Tarnavich

NRC “Kurchatov Institute” – PNPI

Email: kovalenko_na@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningradskaya Oblast, 188300

Y. O. Chetverikov

NRC “Kurchatov Institute” – PNPI

Email: kovalenko_na@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningradskaya Oblast, 188300

References

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Supplementary files

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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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