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The design and preparation of composite gypsum boards absorber based on phase modulation membrane

  • Ying Ying Yi
  • , Wan Jun Hao
  • , Hui Chao Zhao
  • , Yi Feng Dong
  • , Fan Wu
  • , Ming Ming Wang
  • , Dong Wei Chen
  • Hainan University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

According to the principle of electromagnetic wave absorption, functionally reforming thermal insulating materials for building, through designing and theoretically simulating of the λ/4 model, the article has successfully prepared EPS composite gypsum boards for electromagnetic wave absorption. The result shows that, a maximum absorption of-18.7dB at 3GHz and 85% of bandwidth below-10dB was achieved under following conditions: using 380Ω/ resistive film, specimen thickness of 1.50cm. However, by using phase modulation membrane(PMM),it achieved a maximum absorption of-20dB and 100% of bandwidth below-10dB. This new composite materials can be used for electromagnetic interference protection for WLAN and indoor electromagnetic radiation pollution control.

Original languageEnglish
Title of host publicationChemical, Material and Metallurgical Engineering III
Pages1216-1220
Number of pages5
DOIs
StatePublished - 2014
Externally publishedYes
Event2013 3rd International Conference on Chemical, Metallurgical Engineering, ICCMME 2013 - Zhuhai, China
Duration: 10 Dec 201311 Dec 2013

Publication series

NameAdvanced Materials Research
Volume881-883
ISSN (Print)1022-6680

Conference

Conference2013 3rd International Conference on Chemical, Metallurgical Engineering, ICCMME 2013
Country/TerritoryChina
CityZhuhai
Period10/12/1311/12/13

Keywords

  • Absorber
  • EPS
  • Gypsum boards
  • Phase modulation membrane

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