Investigation on the Neutron Transmission of B4C/CF/PI/AA6061 Hybrid Composite Laminates: Experimental and Numerical Simulation Results

被引：2

作者：

Fu, Xuelong ^{[1
,2
]}

Ji, Zhengbo ^{[1
]}

Li, Chunbo ^{[2
]}

机构：

[1] Jiangsu Polytech Finance & Econ, Dept Mech & Elect Engn, Huaian 223003, Jiangsu, Peoples R China

[2] Huaiyin Inst Techonol, Dept Math & Phys, Huaian 223003, Jiangsu, Peoples R China

来源：

NUCLEAR SCIENCE AND ENGINEERING | 2018年 / 191卷 / 01期

关键词：

Neutron shielding composite laminates; MCNP; boron carbide; MECHANICAL-PROPERTIES; DESIGN; ENHANCEMENT; FABRICATION;

D O I：

10.1080/00295639.2018.1449492

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：

A novel neutron shielding B4C/CF/PI/AA6061 composite laminate (NSCL) with different layups containing 10 to 50 wt% of boron carbide (B4C) particles was successfully fabricated using a hot molding process. The effects of different B4C loadings and various configurations on the neutron transmission of the NSCLs were evaluated correspondingly. The MCNP 5.0 program was used to probe the neutron transmission mechanism of the NSCLs. The results showed that B4C particles are an effective absorbent, and neutron transmission of the NSCLs decreased with the increment of layups, B4C loadings, and the laminate thickness. Fast neutrons emitted from a(241) Am-Be neutron source were first moderated by low atomic elements (hydrogen) and then absorbed by B-10 nuclide contained in the B4C particles. Numerical simulation corroborated the experimental testing results.

引用

页码：85 / 97

页数：13

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