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EXPERIMENTAL DETERMINATION OF THE PERFORMANCE OF RICE HUSK-CARBON NANOTUBE COMPOSITES FOR ABSORBING MICROWAVE SIGNALS IN THE FREQUENCY RANGE OF 12.4-18 GHZ
Author(s) -
Yeng Seng Lee,
F. Malek,
Ee Meng Cheng,
Weiwen Liu,
Kok Yeow You,
Muhammad N. Iqbal,
F. H. Wee,
Shing Fhan Khor,
Liyana Zahid,
M. F. Malek
Publication year - 2013
Publication title -
electromagnetic waves
Language(s) - English
Resource type - Journals
eISSN - 1559-8985
pISSN - 1070-4698
DOI - 10.2528/pier13042407
Subject(s) - husk , carbon nanotube , materials science , microwave , composite material , range (aeronautics) , engineering , telecommunications , botany , biology
Composites of rice husks and carbon nanotubes (RHC- NTs) are an innovation in improving the absorption of microwave sig- nals. Rice husks, which are an agricultural waste material, have been found to possess a signiflcant propensity for absorbing microwave sig- nals. Studies have shown that both rice husks and carbon nanotubes (CNTs) have high percentages of carbon. Thus, in this paper, we present the results of our experimental study in which we varied the ratios of rice husks and CNTs in the composite materials and deter- mined the dielectric properties of the composites and measured their abilities to absorb microwave signals. The experimental microwave

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