文献类型：期刊文献

中文题名：环氧树脂基耐高温中子屏蔽复合材料的研究

英文题名：Preparation of AFG90-H epoxy resin-based temperature-resistant neutron shielding composite

作者：姜懿峰[1];栾伟玲[1];张晓霓[1];韩延龙[1];孙柯[1]

机构：[1]华东理工大学机械与动力工程学院承压与安全教育部重点实验室,上海200237

年份：2015

卷号：38

期号：12

起止页码：8

中文期刊名：核技术

外文期刊名：Nuclear Techniques

收录：CSTPCD;;Scopus;北大核心:【北大核心2014】；CSCD:【CSCD2015_2016】；

基金：国家重点基础研究发展计划(973计划)(No.2013CB035505)资助~~

语种：中文

中文关键词：中子辐射;屏蔽;耐高温;复合材料

外文关键词：Neutron radiation, Shielding, Temperature resistance, Composite materials

摘要：针对核电站内高放射性、高湿热、强腐蚀的恶劣物化环境,设计制作了一种新型耐高温环氧树脂基中子屏蔽复合材料。该材料以AFG90-H环氧树脂为基体,在42 k Gy辐照环境下,其玻璃化转变温度可达262oC,弯曲强度仅下降1.63%,中子屏蔽性能明显优于常见高密度聚乙烯(High density polyethylene,HDPE)、石蜡、6002环氧树脂(Epoxy resin,EP)等材料。加入B4C颗粒后,材料中子屏蔽性能和耐高温力学性能得到显著提升,且耐酸碱腐蚀性能保持不变。综合实验表明,该复合材料具有耐高温、耐辐射、耐酸碱腐蚀等优点,且密度小,适合作为移动式探测设备中子屏蔽防护层使用。
Background： The corrosive, highly radioactive and humid-hot environment in nuclear power plant requires an overall performance for neutron shielding material. Purpose： This study aims to develop a new type of AFG90-H epoxy resin-based neutron shielding composite which would tolerate high temperature in a complex environment. Methods： The preparation of the composite materials is doped ffmcfional particles into the epoxy resin matrix, and the composite was tested for its radiation resistance, high temperature mechanical properties, neutron shielding and corrosion resistance. Results： In the 42-kGy radiation environment, with the glass transition temperature reaching 262 ~C, the bending strength of the composite declined by only 1.63%, which showed better neutron shielding performance than common materials such as high density polyethylene （HDPE）, paraffin and 6002 epoxy resin （EP）. By adding the B4C particles, the neutron shielding performance and temperature mechanical properties of the composite were improved greatly, and the corrosion resistance performance did not degrade. Conclusion： Due to its excellent performance in temperature, corrosion and radiation resistance, as well as its low density, this composite could be used as the neutron shielding layer for mobile detection equipment.