| 论文简介 |
摘要：
In this study, a gradient material for shielding neutrons and gamma rays was developed, which consists of epoxy resin, boron carbide (B4C), lead (Pb) and a little graphene oxide. It aims light weight and compact, which will be applied on the transportable nuclear reactor. The material is made up of sixteen layers, and the thickness and components of each layer were designed by genetic algorithm (GA) combined with Monte Carlo N Particle Transport (MCNP). In the experiment, the viscosities of the epoxy at different temperatures were tested, and the settlement regularity of Pb particles and B4C particles in the epoxy was simulated by matlab software. The material was manufactured at 25 degrees C, the Pb C and O elements of which were also tested, and the result was compared with the outcome of the simulation. Finally, the material's shielding performance was simulated by MCNP and compared with the uniformity material's. The result shows that the shielding performance of gradient material is more effective than that of the uniformity material, and the difference is most noticeable when the materials are 30 cm thick. (c) 2020 Korean Nuclear Society, Published by Elsevier Korea LLC. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
关键词：
作者关键词:Gradient shielding material; Resin matrix; Neutron and gamma-rays; Gradient material design; Material manufacture
作者信息
通讯作者地址:
Xi'an Jiaotong University Xi An Jiao Tong Univ, Xian 710049, Shaanxi, Peoples R China.
Shenyang Res Inst Foundry Co Ltd, State Key Lab Light Alloy Foundry Technol High En, Shenyang 110022, Liaoning, Peoples R China.
通讯作者地址: Hu, HS (通讯作者)
Xi An Jiao Tong Univ, Xian 710049, Shaanxi, Peoples R China.
通讯作者地址: Yu, B (通讯作者)
Shenyang Res Inst Foundry Co Ltd, State Key Lab Light Alloy Foundry Technol High En, Shenyang 110022, Liaoning, Peoples R China.
地址:
[1] Xi An Jiao Tong Univ, Xian 710049, Shaanxi, Peoples R China
[2] Nucl Power Inst China, Chengdu 610213, Sichuan, Peoples R China
[3] Shenyang Res Inst Foundry Co Ltd, State Key Lab Light Alloy Foundry Technol High En, Shenyang 110022, Liaoning, Peoples R China
电子邮件地址:huasi_hu@mail.xjtu.edu.cn; yub@chinasrif.com
基金资助致谢
基金资助机构显示详情 授权号
State Key Laboratory of Light Alloy Foundry Technology for High-end Equipment LACT-001
National Natural Science Foundation of China (NSFC) 11975182，U1830128（NSAF）
等
DOI: 10.1016/j.net.2020.03.029 |
(创新港)
