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Synergistic effect of graphene nanoplate and carbonized loofah fiber on the electromagnetic shielding effectiveness of PEEK-based composites
Li, Songtao; Li, Wanchong; Nie, Jing; Liu, Dongyan; Sui, Guoxin
2019-03-01
Source PublicationCARBON
ISSN0008-6223
Volume143Pages:154-161
AbstractGraphene nanoplate (GNP)/carbonized loofah fiber (CLF)/polyether-ether-ketone (PEEK) composites were fabricated by compressive moulding technology. A three-dimensional multi-interface conductive network of CLF and GNP within the matrix was observed under scanning electron microscope. The combination of CLF and GNP improve the electromagnetic shielding performance of composites in the X-band region. The average total shielding effectiveness of the composite reached 27.1 dB at the addition of 9 wt% CLF. The electromagnetic shielding performance of the composites is significantly improved due to the gradual formation of the conductive network structured with CLF and GNP. The shielding mechanism of composites is dominated by absorption, due to the contribution of absorption to shielding effectiveness is much greater than that of the reflection. Furthermore, the composites exhibit prominent mechanical property and thermal stability, which the compressive strength and modulus of GNP/ CLF/PEEK composite with 3 wt% CLF loading reaches 114.6 MPa and 0.71 GPa and the temperature of all composites reaches 550 degrees C at 10% mass loss. The results indicate that the composite material shows potential applications in extremely harsh environments such as aerospace, warships, and special devices as structural and functional integrated materials. (C) 2018 Elsevier Ltd. All rights reserved.
Indexed BySCI
Language英语
WOS IDWOS:000456710500017
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81332
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Li, Songtao,Li, Wanchong,Nie, Jing,et al. Synergistic effect of graphene nanoplate and carbonized loofah fiber on the electromagnetic shielding effectiveness of PEEK-based composites[J]. CARBON,2019,143:154-161.
APA Li, Songtao,Li, Wanchong,Nie, Jing,Liu, Dongyan,&Sui, Guoxin.(2019).Synergistic effect of graphene nanoplate and carbonized loofah fiber on the electromagnetic shielding effectiveness of PEEK-based composites.CARBON,143,154-161.
MLA Li, Songtao,et al."Synergistic effect of graphene nanoplate and carbonized loofah fiber on the electromagnetic shielding effectiveness of PEEK-based composites".CARBON 143(2019):154-161.
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