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Soundproofing effect of nano particle reinforced polymer composites

  • Jae Chul Lee
  • , Young Sun Hong
  • , Ri Guang Nan
  • , Moon Kyu Jang
  • , Caroline S. Lee
  • , Sung Hoon Ahn
  • , Yeon Jun Kang*
  • *Corresponding author for this work
  • Seoul National University
  • LG Corporation
  • Hanyang University

Research output: Contribution to journalJournal articlepeer-review

Abstract

In this paper, the effects of soundproofing by polymer and carbon-nanotube (CNT) composites were investigated. The specimens for sound insulation measurement were fabricated with Acrylonitrile Butadiene Styrene (ABS)/CNT composites. Tests showed that sound transmission loss of ABS/CNT 15 vol.% composite was higher by 21.7% (4.1 dB) than that of pure ABS specimen at a frequency of 3400 Hz. It was found that the principal factor influencing the improvement of sound insulations of ABS/CNT composites was increased stiffness by CNT additives. To demonstrate the practical applicability of polymer/CNT composites, tests were conducted for the reduction of operational noise from mechanical relay.

Original languageEnglish
Pages (from-to)1468-1474
Number of pages7
JournalJournal of Mechanical Science and Technology
Volume22
Issue number8
DOIs
StatePublished - 2008.08

Keywords

  • Carbon-nanotube
  • Nano particle reinforced polymer composites
  • Polymer
  • Sound insulation
  • Soundproof

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