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- W4224303345 abstract "Abstract In this study, Phy-X/PSD software was utilized for searching the neutron shielding and gamma-ray shielding features of the high-speed steel composites. The effects of the Al 2 O 3 and SiO 2 contents on the irradiation properties of the T15 (0.4Si, 0.4Mn, 0.5Mo, 1.5C, 4.5Cr, 4.75Co, 5.0 V, 12.5 W) + (0%–30%) composite material were examined. The properties of the linear attenuation coefficients ( LAC ), half-value layer ( HVL ), fast neutron removal cross-sections ( FNRC ), mean free path ( MFP ), effective conductivity ( C eff ), mass attenuation coefficient ( MAC ), exposure buildup factors ( EBF ), tenth-value layer ( TVL ), effective atomic number ( Z eff ) were determined for the energy varying between 0.015 MeV and 15 MeV. The investigation revealed that the MAC and LAC values in the T15 composite material declined with the increase in the SiO 2 or Al 2 O 3 contents in the composite. On the other hand, the Geometric Progression (G-P) method was utilized to determine the EBF s under the penetration depth of up to 40 mfp and the same energy range. According to the results of the G-P method, the values of HVL varied from 0.01 to0.034 cm, TVL values varied from 0.01 to 0.112 cm, while FNRC values varied from 6.584 cm −1 to 8.27 cm −1 , and C eff values varied from 1.36 × 10 11 S m −1 to 3.12 × 10 11 S m −1 . The results revealed that the T15 high-speed steel composite provided the maximum photon shielding capacity because it showed the lowest HVL value while showing the highest Z eff , and MAC values. The T15 + 20% Al 2 O 3 composite material had the highest FNRC due to its higher density. The present investigation can be considered original in terms of a few aspects. Consequently, these new shielding materials can be chosen as shielding materials against gamma radiation. In addition to contributing to several popular technologies including space technologies and nanotechnology, the present study can also contribute to nuclear technology." @default.
- W4224303345 created "2022-04-26" @default.
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- W4224303345 date "2022-04-28" @default.
- W4224303345 modified "2023-09-30" @default.
- W4224303345 title "Investigation of radiation shielding by adding Al<sub>2</sub>O<sub>3</sub> and SiO<sub>2</sub> into the high-speed steel composites: comparative study" @default.
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- W4224303345 doi "https://doi.org/10.1088/1402-4896/ac65be" @default.
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