Novel efficient epoxy resin based shielding materials enhanced with BN powder against nuclear radiation: A new perspective of shielding performance analysis

被引：15

作者：

Dong, Mengge ^{[1
,2
,3
]}

Zhou, Suying ^{[1
]}

Xue, Xiangxin ^{[1
,3
]}

Yang, He ^{[1
,3
]}

Sayyed, M. I. ^{[4
,5
]}

Tishkevich, Daria ^{[6
]}

Trukhanov, Alex ^{[6
,7
]}

Lakshminarayana, G. ^{[8
]}

机构：

[1] Northeastern Univ, Sch Met, Dept Resource & Environm, Shenyang 110819, Peoples R China

[2] Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Peoples R China

[3] Key Lab Met Resources Recycling Sci, Shenyang 110819, Liaoning, Peoples R China

[4] Isra Univ, Fac Sci, Dept Phys, Amman, Jordan

[5] Imam Abdulrahman Bin Faisal Univ IAU, Inst Res & Med Consultat IRMC, Dept Nucl Med Res, POB 1982, Dammam 31441, Saudi Arabia

[6] Natl Acad Sci Belarus, Lab Magnet Films Phys, Sci Pract Mat Res Ctr, P Brovki Str 19, Minsk 220072, BELARUS

[7] LN Gumilyov Eurasian Natl Univ, Astana 010000, Kazakhstan

[8] Hanyang Univ, BK21 FOUR ERICA ACE Ctr, Dept Mech Engn, 55 Hanyangdaehak Ro, Ansan 15588, Gyeonggi Do, South Korea

来源：

RADIATION PHYSICS AND CHEMISTRY | 2024年 / 214卷

基金：

中国国家自然科学基金;

关键词：

Epoxy resin; BN powder; Thermal neutron; Fast neutron; Shielding mechanism; NEUTRON-ACTIVATION; X-RAY; COMPOSITES; POLYETHYLENE/BORON;

D O I：

10.1016/j.radphyschem.2023.111295

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this work, novel efficient epoxy resin based shielding materials enhanced with BN powder against nuclear radiation was proposed. The composites were prepared by using epoxy resin E51, polyamide resin 651 and BN powder. Neutron shielding performance was analyzed by using Evaluated Nuclear Data File, partial density method and a moderated 241Am-Be neutron source. In addition, gamma ray shielding performance and me-chanical property were tested by a137Cs gamma ray source and an electronic universal testing machine, respectively. The results indicate that the addition of BN powder could improve the shielding performance for thermal neutron, fast neutron and gamma ray. Neutron shielding performance of prepared composite materials is nearly the same with the variation of densities. Nuclear shielding performance is better than commercial shields (SWX-213, SWX-201 and SWX-261). And the bending strength is greater than 12.78 MPa. In addition, shielding attenuation mechanism for neutron at 10- 5-2 x 108 eV is mainly contributed by elastic scattering attenuation interaction produced by H and C from epoxy resin matrix, and absorption attenuation interaction produced by B from BN powder at 10- 5-102 eV.

引用

页数：9

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