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

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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

Published: 25 November 2022 Online: 2022-11-25

CLC number:

TB324

Fund:National Natural Science Foundation of China (52103078).

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	Articles by authors
	WANG Fang
	WU Yadong
	JU Dandan
	WU Yiyong
	SUN Chengyue

Cite this article:

WANG Fang,WU Yadong,JU Dandan, et al. Research on Electron Beam Irradiation Effect of Poly(p-phenylene benzobisoxazole) Fiber[J]. Materials Reports, 2022, 36(22): 22050038-5.

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http://www.mater-rep.com/EN/10.11896/cldb.22050038 OR http://www.mater-rep.com/EN/Y2022/V36/I22/22050038

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