氧化石墨烯接枝碳纤维跨尺度增强体的电磁学特性研究

TB332; 采用"grafting to"化学接枝法将碳纤维通过化学键键合接枝到碳纤维表面,制备氧化石墨烯接枝碳纤维跨尺度增强体(CF-GO).通过测试碳纤维和CF-GO的单丝电导率和电磁参数,研究了接枝氧化石墨烯对碳纤维电磁学特性的影响.结果表明,与碳纤维相比,CF-GO的单丝电导率有所降低,但CF-GO的复介电常数实部、虚部和介电损耗角正切均有所增大.接枝氧化石墨烯可增强碳纤维的介电损耗能力,但对碳纤维的磁损耗能力没有影响.在0～18 GHz范围内,CF-GO的阻抗匹配率和衰减常数整体上较碳纤维大,其吸波性能更佳,碳纤维在高频段表现出较好的吸波性能....

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Published in功能材料 Vol. 55; no. 11; pp. 11001 - 11008
Main Authors 白二雷, 王志航, 刘俊良, 赵靖, 周俊鹏, 黄河
Format Journal Article
LanguageChinese
Published 空军工程大学航空工程学院,西安7100382%中国人民解放军95538部队,成都 611430%中国人民解放军94968部队,南京 211100%中国人民解放军93204部队,北京 100077%陆军研究院工程设计研究所,北京 100043 30.11.2024
Subjects
化学接枝
graphene oxide
chemical grafting
carbon fiber
cement
碳纤维
氧化石墨烯
水泥
吸波性能
absorbing property
Online AccessGet full text
ISSN1001-9731
DOI10.3969/j.issn.1001-9731.2024.11.001

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Abstract TB332; 采用"grafting to"化学接枝法将碳纤维通过化学键键合接枝到碳纤维表面,制备氧化石墨烯接枝碳纤维跨尺度增强体(CF-GO).通过测试碳纤维和CF-GO的单丝电导率和电磁参数,研究了接枝氧化石墨烯对碳纤维电磁学特性的影响.结果表明,与碳纤维相比,CF-GO的单丝电导率有所降低,但CF-GO的复介电常数实部、虚部和介电损耗角正切均有所增大.接枝氧化石墨烯可增强碳纤维的介电损耗能力,但对碳纤维的磁损耗能力没有影响.在0～18 GHz范围内,CF-GO的阻抗匹配率和衰减常数整体上较碳纤维大,其吸波性能更佳,碳纤维在高频段表现出较好的吸波性能.
AbstractList TB332; 采用"grafting to"化学接枝法将碳纤维通过化学键键合接枝到碳纤维表面,制备氧化石墨烯接枝碳纤维跨尺度增强体(CF-GO).通过测试碳纤维和CF-GO的单丝电导率和电磁参数,研究了接枝氧化石墨烯对碳纤维电磁学特性的影响.结果表明,与碳纤维相比,CF-GO的单丝电导率有所降低,但CF-GO的复介电常数实部、虚部和介电损耗角正切均有所增大.接枝氧化石墨烯可增强碳纤维的介电损耗能力,但对碳纤维的磁损耗能力没有影响.在0～18 GHz范围内,CF-GO的阻抗匹配率和衰减常数整体上较碳纤维大,其吸波性能更佳,碳纤维在高频段表现出较好的吸波性能.
Abstract_FL Graphene oxide is grafted to the surface of carbon fiber with chemical grafting method of"grafting to"by bonding of chemical bonds,and graphene oxide grafted carbon fiber cross-scale reinforcement(CF-GO)is prepared after.The effect of grafted graphene oxide on the electromagnetic properties of carbon fiber is studied by measuring the monofilm conductivity and electromagnetic parameters of carbon fiber and CF-GO.The results show that compared with carbon fiber,the monofilament conductivity of CF-GO decreases,but the complex di-electric constant real part,imaginary part and dielectric loss angle tangent of CF-GO increase.The grafted gra-phene oxide can enhance the dielectric loss capacity of carbon fiber,but has no effect on the magnetic loss capac-ity of carbon fiber.In the range of 0-18 GHz,the impedance matching rate and attenuation constant of CF-GO are larger than that of carbon fiber on the whole,and its wave absorbing property is better.Carbon fiber shows better wave absorbing property in high frequency.
Author 赵靖
周俊鹏
王志航
刘俊良
黄河
白二雷
AuthorAffiliation 空军工程大学航空工程学院,西安7100382%中国人民解放军95538部队,成都 611430%中国人民解放军94968部队,南京 211100%中国人民解放军93204部队,北京 100077%陆军研究院工程设计研究所,北京 100043
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Author_FL ZHOU Junpeng
ZHAO Jing
BAI Erlei
WANG Zhihang
HUANG He
LIU Junliang
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Issue 11
Keywords 化学接枝
graphene oxide
chemical grafting
carbon fiber
cement
碳纤维
氧化石墨烯
水泥
吸波性能
absorbing property
Language Chinese
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Title 氧化石墨烯接枝碳纤维跨尺度增强体的电磁学特性研究
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