| WU You-peng,LIU Xiang-xuan,ZHANG Ze-yang.Effect of Addition of Carborundum on Conductive and Radar Absorbing Property of Nano-carbon Black[J],39(5):58-60,83 |
| Effect of Addition of Carborundum on Conductive and Radar Absorbing Property of Nano-carbon Black |
| Received:June 24, 2010 Revised:October 10, 2010 |
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| DOI： |
| KeyWord:absorbing composite carbon black carborundum electric conductivity percolation threshold |
| Author | Institution |
| WU You-peng |
Xi'an Research Institute of High Technology, Xi'an , China |
| LIU Xiang-xuan |
Xi'an Research Institute of High Technology, Xi'an , China |
| ZHANG Ze-yang |
Xi'an Research Institute of High Technology, Xi'an , China |
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| Abstract: |
| A novel absorbing material of nanometer carbon black blended with micron carborundum was prepared. The microstructure, conductive property and microwave absorption property of samples were measured The results show that addition of carborundum can reduce the resistivity and percolation threshold of carbon black/ epoxy resin coating. When CB mass fraction is low, reflection loss of the composite with carborundum is greater than that of the composite without carborundum. When 5% mass fraction carbon black is blended with 50% mass fraction carborundum to prepare composite with 2 mm thickness, the reflection loss is superior to- 10 dB at 7.5～ 13.5 GHz and the maximum reflection loss can reach- 40 dB. |
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