Monte Carlo simulations of radiation shielding by rare-earth/polypropylene composites

被引：1

作者：

Cui, Tongyan ^{[1
]}

Wang, Shuilian ^{[1
]}

Zhang, Anying ^{[2
]}

Wang, Rui ^{[1
]}

Ma, Zhongjian ^{[3
]}

Jia, Qingxiu ^{[1
]}

机构：

[1] Beijing Inst Fash Technol, Sch Mat Design & Engn, Beijing, Peoples R China

[2] Tiangong Univ, Sch Mat Sci & Engn, Tianjin, Peoples R China

[3] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

来源：

RADIATION EFFECTS AND DEFECTS IN SOLIDS | 2023年 / 178卷 / 9-10期

关键词：

Monte Carlo simulation; rare earth; polypropylene; gamma rays; POLYPROPYLENE; FIBER; CT;

D O I：

10.1080/10420150.2023.2244112

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Four different rare-earth/polypropylene (PP) composites used rare-earth oxides as radiation shielding agents. Monte Carlo simulations with FLUKA software were used to analyze the gamma-ray shielding from 60-keV gamma rays. The simulated shielding effects of the rare-earth/PP composites were compared in detail with those of PbO/PP composites. When Gd2O3 was used as a filler, its composite had the best shielding effect. The composite thickness and the mass fraction of the filler affected the shielding. To exhibit the same shielding, the thickness and filler content of the Gd2O3/PP composite was only 46% of that for PbO/PP. The error of the mass attenuation coefficient between the simulated and the calculated results was within 5%, which verified the simulations.

引用

页码：1269 / 1281

页数：13

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