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Fabrication of three-dimensional electromagnetic band-gap structure with alumina based on stereolithography and gelcasting

  • Yawen Hu
  • , Dichen Li
  • , Wei Dai
  • , Minjie Wang
  • , Hong Wang
  • , Kun Sun
  • Xi'an Jiaotong University

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The paper presents a manufacturing study of three-dimensional (3D) diamond electromagnetic band-gap (EBG) structures with a new manufacturing system. The EBG structures made from dielectric composites of alumina-slurry with 55 vol% Al 2O 3 powder were fabricated by means of a stereolithography (SL) and gelcasting system. The samples of the EBG structure of alumina-resin (before sintering) and that of alumina-air (after sintering) were investigated. The lattice constant was 12 mm, while the band-gap in the 〈110〉 direction appeared at 9.0012.00 GHz, which agreed fairly well with the simulation results based on the finite element method (FEM) in Ansoft HFSS.

Original languageEnglish
Pages (from-to)22-25
Number of pages4
JournalJournal of Manufacturing Systems
Volume31
Issue number1
DOIs
StatePublished - Jan 2012

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