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Improvement on electromagnetic absorbing performance of Al18B4O33w/Co composite particles through heat treatment

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A significant improvement in electromagnetic wave absorbing performance is achieved in an Al18B4O33w/Co based coating through the heat treatment of Al18B4O33w/Co particles. The electromagnetic properties of the Al18B4O33w/Co composite particles clearly increase after heat treatment. A maximal reflection loss of 78.3 dB and a high-efficiency absorption band of 4 GHz was obtained with an improved coating about 2 mm thick. Additionally, the absorption band was found to be able to cover the 7-18 GHz band by adjusting the coating thickness.

Original languageEnglish
Pages (from-to)967-970
Number of pages4
JournalScripta Materialia
Volume59
Issue number9
DOIs
StatePublished - Nov 2008
Externally publishedYes

Keywords

  • AlBOw/Co
  • Electroless plating
  • Electromagnetic absorbing
  • Heat treatment
  • Microstructure adjustment

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