Design and performance of new type carbon fiber reinforced polyimide-based composites for X/γ photon shielding

ZHU Feng; FANG Fang; TANG Xiaobin; WANG Peng; CHEN Feida

doi:10.11889/j.0253-3219.2013.hjs.36.100202

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Design and performance of new type carbon fiber reinforced polyimide-based composites for X/γ photon shielding

更新时间：2021-03-05

- Design and performance of new type carbon fiber reinforced polyimide-based composites for X/γ photon shielding
- NUCLEAR TECHNIQUES Vol. 36, Issue 10, Article number: 100202(2013)
- 作者机构：
  
  1. 成都理工大学核技术与自动化工程学院
  2. 南京航空航天大学核科学与工程系
- 作者简介：
- 基金信息：
  
  高等学校博士学科点专项科研基金(20123218120028);江苏省科技支撑计划项目(1006-KFA13176-01);中央高校基本科研业务费专项(kfjj120121)资助
- DOI：10.11889/j.0253-3219.2013.hjs.36.100202
  CLC： TB332
- Published：01 October 2013
- 稿件说明：
移动端阅览
[1]朱峰,方方,汤晓斌,王鹏,陈飞达.新型X/γ光子屏蔽用碳纤维增强聚酰亚胺基复合材料的设计及其性能[J].核技术,2013,36(10):21-27.

ZHU Feng, FANG Fang, TANG Xiaobin, et al. Design and performance of new type carbon fiber reinforced polyimide-based composites for X/γ photon shielding[J]. Nuclear techniques, 2013, 36(10): 100202
[1]朱峰,方方,汤晓斌,王鹏,陈飞达.新型X/γ光子屏蔽用碳纤维增强聚酰亚胺基复合材料的设计及其性能[J].核技术,2013,36(10):21-27. DOI： 10.11889/j.0253-3219.2013.hjs.36.100202.

ZHU Feng, FANG Fang, TANG Xiaobin, et al. Design and performance of new type carbon fiber reinforced polyimide-based composites for X/γ photon shielding[J]. Nuclear techniques, 2013, 36(10): 100202 DOI： 10.11889/j.0253-3219.2013.hjs.36.100202.

摘要

随着核技术应用的快速发展

对X/γ光子屏蔽材料提出了功能和结构一体化的要求。针对这种需求

设计了一种新型碳纤维增强聚酰亚胺基复合材料。基于Monte Carlo N-Particle Transport Code System（MCNP）模拟了不同PbO含量复合材料的屏蔽性能

根据模拟结果和制备工艺设计了材料并制备

对制备的材料测试了其屏蔽性能、力学性能以及耐辐照性能。通过光子屏蔽实验和力学性能实验发现

该复合材料具有良好的光子屏蔽性能

其在4.80 mm厚度时光子透射率为54.13%

同时材料的弯曲强度和拉伸强度在1.2 mm厚度时达到了263 MPa和369 MPa

在90 kGy辐照后拉伸强度保持率为83.47%

因此该材料在医用及γ射线探伤等工业上有较大的应用潜力。

Abstract

Background: With the rapid development of radiation technology

demands of functional and structural integration have been put forward for the photon shielding material. Purpose: To meet this need

a new type of carbon fiber reinforced polyimide composite has been designed and tested. Methods: Shielding properties of composite materials of different PbO contents are modeled based on MCNP. According to the simulation results

shielding material is designed and prepared. And its shielding properties

mechanical properties as well as radiation-resistant properties are tested. Results: Through photon shield experiment and mechanical performance experiment

the composite material has good shielding performance for photons. Its photon transmission rate at thickness of 4.80-mm is 54.13% for137Cs(662 keV) gamma-ray

bend strength and stretch strength at 1.2-mm thickness can reach 263 MPa and 369 MPa

respectively. After 90-kGy irradiation

the stretch strength can retain83.47% of its performance. Conclusion: Therefore

the material possesses great application potential in medicine and industry such as gamma ray flaw detection.

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