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Soundproofing effect of nano particle reinforced polymer composites

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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.

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Authors and Affiliations

  1. School of Mechanical & Aerospace Engineering, Seoul National University, Building 301, Kwanak-Ro 599, Shinlim, Kwanak-ku, Seoul, 151-742, Korea

    Jae-Chul Lee, Young-Sun Hong, Ri-Guang Nan, Sung-Hoon Ahn & Yeon-Jun Kang

  2. LS Cable Ltd., 555, Hogye-dong, Dongan-gu, Anyang-si, Kyungki-do, 431-080, Korea

    Moon-Kyu Jang

  3. Division of Material Science & Chemical Engineering, Hanyang University, Ansan, Korea

    Caroline S. Lee

  4. Institute of Advanced Machinery and Design, Seoul National University, Building 313, Kwanak-Ro 599, Shinlim, Kwanak-ku, Seoul, 151-742, Korea

    Sung-Hoon Ahn & Yeon-Jun Kang

Authors
  1. Jae-Chul Lee
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  2. Young-Sun Hong
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  3. Ri-Guang Nan
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  4. Moon-Kyu Jang
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  5. Caroline S. Lee
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  6. Sung-Hoon Ahn
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  7. Yeon-Jun Kang
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Correspondence to Yeon-Jun Kang.

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Lee, JC., Hong, YS., Nan, RG. et al. Soundproofing effect of nano particle reinforced polymer composites. J Mech Sci Technol 22, 1468–1474 (2008). https://doi.org/10.1007/s12206-008-0419-4

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  • DOI: https://doi.org/10.1007/s12206-008-0419-4

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