Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 129, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2019.105714
Keywords
Polymer-matrix composites (PMCs); Electrical properties; Electron microscopy; Casting
Funding
- Shanghai Aerospace Science and Technology Innovation Fund [2017-121]
- Shenzhen Science and Technology Innovation Fund [JCYJ20170815155705061]
- Space Supporting Fund from China Aerospace Science and Industry Corporation [2019-HT-XG]
- Open Fund from Henan University of Science and Technology
- EPSRC [EP/N032861/1] Funding Source: UKRI
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Ternary heterogeneous MWCNT@TiO2-C wave absorbent was firstly prepared, using glucose, MWCNT, and titanium isopropoxide as raw materials, through the solvothermal process followed by post-heat treatment. Afterwards, MWCNT@TiO2-C/silicone rubber wave-absorbing composites were fabricated via solution casting and subsequent curing process. XRD, Raman, XPS, and TEM analyses demonstrated the MWCNT@TiO2-C fillers were successfully synthesized with TiO2 and amorphous carbon coated on the surface of MWCNT. When the MWCNT@TiO2-C/silicone rubber wave-absorbing composites contained 25 wt% MWCNT@TiO2-C fillers and with the thickness of 2.5 mm, it displayed the minimum reflection loss of - 53.2 dB and an effective absorption bandwidth of 3.1 GHz. Remarkable wave-absorbing performances for MWCNT@TiO2-C/silicone rubber composites could be attributed to the synergetic effect of interfacial polarization loss and conduction loss.
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