In-situ grown CNTs decorated SiCNWs for enhancing electromagnetic wave absorption efficiency

Wei, Hanjun; Zhou, Chunlin; Feng, Pei; Xue, Jimei; Zhao, Feng; Wang, Hongtao

doi:10.1016/j.hazadv.2022.100079

Cited by 3 publications

(1 citation statement)

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“…Although amounts of literature have studied the mechanics, electromagnetic shielding and thermal properties of SiC nws modified composites, [12][13][14][15][16][17][18][19] there are only a few reports on the preparation and performance of SiC nws /SiC nanocomposites. In this work, the SiC nws /SiC nanocomposites were in-situ prepared by a simple and efficient two-step chemical vapor infiltration (CVI) method.…”

Section: Introductionmentioning

confidence: 99%

Multifunctional nanocomposites integrate electromagnetic shielding, thermal, mechanical, and wear resistance properties

et al. 2023

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The SiC nws /SiC nanocomposites were in situ synthesized by using nickel carbon foam as catalyst and skeleton. This technique has a series of advantages including simple operation, low cost, and high efficiency. Due to the excellent microwave absorption and thermal properties of SiC nws , SiC nws /SiC nanocomposites possess excellent electromagnetic shielding performance with a high SE T value of 38.3 dB and good thermal properties with thermal conductivity of 13.77 ± 0.098 wm −1 k −1 at room temperature. Meanwhile, the bending strength of the nanocomposites is 110.9 ± 7.7 MPa. The friction coefficient of nanocomposites is about 0.26 with a wear speed of about 67 um 3 /s. Therefore, the nanocomposites integrate many advantages including lightweight (2.0 g/cm 3 ), excellent electromagnetic shielding, good heat conduction, high strength, and wear resistance.

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