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Journal of Inorganic Materials

Journal of Inorganic Materials >

2007 , Vol. 22 >Issue 6: 1165 - 1168

DOI: https://doi.org/10.3724/SP.J.1077.2007.01165

Research Paper

Microwave Heating Effect and Mechanism for Carbon Fiber Preforms

  • ZOU Ji-Zhao ,
  • ZENG Xie-Rong ,
  • XIONG Xin-Bo ,
  • LI Xiao-Hua ,
  • TANG Han-Ling ,
  • LI Long
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  • 1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China; 2. College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China; 3. Shenzhen Key Laboratory of Special Functional Materials, Shenzhen 518060, China

Received date: 2006-10-31

  Revised date: 2006-12-05

  Online published: 2007-11-20

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Abstract

Carbon fiber felts with different surface characteristics, stacking numbers, bulk densitywere heated by microwave irradiation to study the influence of these physical properties on microwave heating effect, analyzing the electric field distributions in the microwave oven. It indicates that carbon fiber preforms can be heated by microwave in (2450±50)MHz frequency. Furthermore, models of microwave heating were developed, and mechanisms of microwave energy loss were discussed. It is deduced that there are three kinds of heating mechanisms, which are doublet polarization, interface polarization and electrical conduction dissipation, respectively.

Key words： carbon fiber; microwave heating; temperature gradient; preform

Cite this article

ZOU Ji-Zhao , ZENG Xie-Rong , XIONG Xin-Bo , LI Xiao-Hua , TANG Han-Ling , LI Long . Microwave Heating Effect and Mechanism for Carbon Fiber Preforms
[J]. Journal of Inorganic Materials, 2007 , 22(6) : 1165 -1168 . DOI: 10.3724/SP.J.1077.2007.01165

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