聚对苯撑苯并二噁唑纤维的电子束辐照效应研究

doi:10.11896/cldb.22050038

材料导报

2022, Vol. 36

Issue (22): 22050038-5 https://doi.org/10.11896/cldb.22050038

宇航材料

聚对苯撑苯并二噁唑纤维的电子束辐照效应研究

王芳¹, 吴亚东², 琚丹丹¹, 吴宜勇¹, 孙承月^1,*

1 哈尔滨工业大学环境科学与物质研究院,哈尔滨 150001
2 哈尔滨工业大学化工与化学学院,哈尔滨 150001

Research on Electron Beam Irradiation Effect of Poly(p-phenylene benzobisoxazole) Fiber

WANG Fang¹, WU Yadong², JU Dandan¹, WU Yiyong¹, SUN Chengyue^1,*

1 Laboratory for Space Environment and Physical Science, Harbin Institute of Technology, Harbin 150001, China
2 School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China

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摘要聚对苯撑苯并二噁唑(PBO)纤维具有高比强度、高比模量、耐高温、抗阻燃、轻质等特性,被誉为“21世纪超性能纤维”,产品应用前景十分广阔,尤其是在航空航天领域。考虑到带电粒子辐照对航天材料造成的损伤可能会导致高聚物性能下降,且目前对PBO性能损伤的研究主要集中于紫外辐照方向,本工作开展了电子辐照对PBO纤维的损伤行为研究,通过模拟计算选取辐照剂量,并获得不同注量辐照下的纤维样品。电子扫描显微镜(SEM)、全反射红外光谱(FTIR)、X射线衍射(XRD)等测试结果表明,受电子辐照影响,PBO纤维表面受到刻蚀,结晶性能改变。力学性能测试表明PBO纤维经过电子辐照后强度下降。相关结果显示,空间带电粒子辐照对PBO纤维有明显的活化作用,可使其性能变化,为下一步扩展其应用提供一定的理论基础与参考价值。

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	王芳
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	孙承月

关键词: 深空探测电子辐照 PBO纤维

Abstract: PBO fiber has the characteristics of high specific strength, high specific modulus, high temperature resistance, flame resistance and light weight. It is known as ‘super performance fiber in the 21st century'. The application prospect of PBO fiber is very broad, especially in the field of aerospace. Considering the damage of aerospace materials caused by charged particle irradiation, which may lead to the decline of polymer properties, the research on the performance damage of PBO mainly focuses on the direction of UV irradiation at present. Based on this, the damage behavior of PBO fiber induced by electron irradiation was studied. The irradiation dose was selected through simulation calculation, and the fiber samples irradiated with different fluences were obtained. The results of SEM, FTIR and XRD show that the surface of PBO fiber was etched and the crystallization properties changed with the progress of electron irradiation. The mechanical properties test show that the strength of PBO fiber decreased after electron irradiation. The relevant results show that space charged particle irradiation can significantly activate PBO fiber and change its properties, which provides a certain theoretical basis and reference value for expanding its application in the next step.

Key words: deep space exploration electron irradiation PBO fiber

出版日期: 2022-11-25 发布日期: 2022-11-25

ZTFLH:

TB324

基金资助: 国家自然科学基金(52103078)

通讯作者: * sunchengyue@163.com

作者简介: 王芳,2018年10月于哈尔滨工业大学获得博士学位。目前主要研究领域为高性能纤维复合材料在深空探测中的应用。发表SCI论文12篇,获得授权专利9项。
孙承月,哈尔滨工业大学空间环境与物质科学研究院副研究员。2005年7月辽宁大学物理系本科毕业, 2007年哈尔滨工业大学材料科学与工程学院硕士毕业,2012年哈尔滨工业大学材料科学与工程学院博士毕业。2012年到哈尔滨工业大学工作至今,目前主要从事材料空间环境效应、空间环境模拟、低维聚合物空间环境效应等方面的研究,发表论文30篇,其中SCI论文29篇。

引用本文:

王芳, 吴亚东, 琚丹丹, 吴宜勇, 孙承月. 聚对苯撑苯并二噁唑纤维的电子束辐照效应研究[J]. 材料导报, 2022, 36(22): 22050038-5.
WANG Fang, WU Yadong, JU Dandan, WU Yiyong, SUN Chengyue. Research on Electron Beam Irradiation Effect of Poly(p-phenylene benzobisoxazole) Fiber. Materials Reports, 2022, 36(22): 22050038-5.

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http://www.mater-rep.com/CN/10.11896/cldb.22050038 或 http://www.mater-rep.com/CN/Y2022/V36/I22/22050038

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