Fabrication and design of electromagnetic wave absorber composed of carbon nanotube-incorporated cement composites

2018 ◽  
Vol 206 ◽  
pp. 439-447 ◽  
Author(s):  
I.W. Nam ◽  
J.H. Choi ◽  
C.G. Kim ◽  
H.K. Lee
Keyword(s):  
Electromagnetic Wave ◽  
Carbon Nanotube ◽  
Cement Composites

scholarly journals Superb electromagnetic wave-absorbing composites based on large-scale graphene and carbon nanotube films

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Jinsong Li ◽  
Weibang Lu ◽  
Jonghwan Suhr ◽  
Hang Chen ◽  
John Q. Xiao ◽  
...  
Keyword(s):  
Electromagnetic Wave ◽  
Carbon Nanotube ◽  
Large Scale ◽  
Nanotube Films

Double-Layered Cement Composites with Superior Electromagnetic Wave Absorbing Properties Containing Carbon Black and Expanded Polystyrene

2013 ◽  
Vol 774-776 ◽  
pp. 747-752 ◽  
Author(s):  
Yue Fang Zhang ◽  
Wan Jun Hao ◽  
Bao Yi Li ◽  
Yu Ping Duan ◽  
Shun Hua Liu
Keyword(s):  
Electromagnetic Wave ◽  
Carbon Black ◽  
High Performance ◽  
Expanded Polystyrene ◽  
Cement Composites ◽  
Frequency Range ◽  
Electromagnetic Wave Absorption ◽  
Matching Layer ◽  
Layer Composite ◽  
New Material

This paper reported that, using the method of double layer composite successfully prepared high performance of electromagnetic wave absorption materials. Such a composite is composed of a cement matching layer filled with expanded polystyrene (EPS) beads and an absorbing cement layer made of EPS beads and carbon black. The samples were tested by arching method in the frequency range of 8~18GHz. The reflectivities were revealed to be excellent, the lowest being-17dB. The new material can be used for building indoor electromagnetic radiation protection.

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