Effects of PZT particle-enhanced ply interfaces on the vibration damping behavior of CFRP composites

Sang Yup Kim; Toshio Tanimoto; Kenji Uchino; Chan Hee Nam; Sahn Nam; Woo Il Lee

doi:10.1016/j.compositesa.2011.06.014

Effects of PZT particle-enhanced ply interfaces on the vibration damping behavior of CFRP composites

Sang Yup Kim, Toshio Tanimoto, Kenji Uchino, Chan Hee Nam, Sahn Nam, Woo Il Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

In this study, vibration damping behavior of carbon fiber reinforced polymer composites was investigated when ply interfaces were enhanced by lead zirconate titanate (PZT) particles. The influence of particle loading and carbon black coating of particles was analyzed using the dynamic mechanical analysis. When plain PZT particles were distributed in the ply interfaces, the loss factor increased but suddenly dropped with increased particle loading, producing a threshold effect. As the loss factor represents the joule heat of electric current between PZT particles and carbon fibers, the sudden drop implies that there exists incomplete connectivity. To demonstrate the effect of incomplete connectivity, plain PZT particles were coated with carbon black of various weight fraction and the experiments were repeated. The results show there exists an optimal coating ratio of carbon black where the loss factor reaches its maximum value. When the optimal coating was applied to plain PZT particles, the loss factors of composites continuously increased, eliminating the threshold effect.

Original language	English
Pages (from-to)	1477-1482
Number of pages	6
Journal	Composites Part A: Applied Science and Manufacturing
Volume	42
Issue number	10
DOIs	https://doi.org/10.1016/j.compositesa.2011.06.014
Publication status	Published - 2011 Oct

Keywords

Carbon black
Lead zirconate titanate
Loss factor
Ply interface

ASJC Scopus subject areas

Ceramics and Composites
Mechanics of Materials

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10.1016/j.compositesa.2011.06.014

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title = "Effects of PZT particle-enhanced ply interfaces on the vibration damping behavior of CFRP composites",

abstract = "In this study, vibration damping behavior of carbon fiber reinforced polymer composites was investigated when ply interfaces were enhanced by lead zirconate titanate (PZT) particles. The influence of particle loading and carbon black coating of particles was analyzed using the dynamic mechanical analysis. When plain PZT particles were distributed in the ply interfaces, the loss factor increased but suddenly dropped with increased particle loading, producing a threshold effect. As the loss factor represents the joule heat of electric current between PZT particles and carbon fibers, the sudden drop implies that there exists incomplete connectivity. To demonstrate the effect of incomplete connectivity, plain PZT particles were coated with carbon black of various weight fraction and the experiments were repeated. The results show there exists an optimal coating ratio of carbon black where the loss factor reaches its maximum value. When the optimal coating was applied to plain PZT particles, the loss factors of composites continuously increased, eliminating the threshold effect.",

keywords = "Carbon black, Lead zirconate titanate, Loss factor, Ply interface",

author = "Kim, {Sang Yup} and Toshio Tanimoto and Kenji Uchino and Nam, {Chan Hee} and Sahn Nam and Lee, {Woo Il}",

note = "Funding Information: This research was supported by World Class University (WCU) program through the Korea Research Foundation funded by the Ministry of Education, Science and Technology (R31-2008-000-10083-0) and the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-J03003).",

year = "2011",

month = oct,

doi = "10.1016/j.compositesa.2011.06.014",

language = "English",

volume = "42",

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T1 - Effects of PZT particle-enhanced ply interfaces on the vibration damping behavior of CFRP composites

AU - Kim, Sang Yup

AU - Tanimoto, Toshio

AU - Uchino, Kenji

AU - Nam, Chan Hee

AU - Nam, Sahn

AU - Lee, Woo Il

N1 - Funding Information: This research was supported by World Class University (WCU) program through the Korea Research Foundation funded by the Ministry of Education, Science and Technology (R31-2008-000-10083-0) and the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-J03003).

PY - 2011/10

Y1 - 2011/10

N2 - In this study, vibration damping behavior of carbon fiber reinforced polymer composites was investigated when ply interfaces were enhanced by lead zirconate titanate (PZT) particles. The influence of particle loading and carbon black coating of particles was analyzed using the dynamic mechanical analysis. When plain PZT particles were distributed in the ply interfaces, the loss factor increased but suddenly dropped with increased particle loading, producing a threshold effect. As the loss factor represents the joule heat of electric current between PZT particles and carbon fibers, the sudden drop implies that there exists incomplete connectivity. To demonstrate the effect of incomplete connectivity, plain PZT particles were coated with carbon black of various weight fraction and the experiments were repeated. The results show there exists an optimal coating ratio of carbon black where the loss factor reaches its maximum value. When the optimal coating was applied to plain PZT particles, the loss factors of composites continuously increased, eliminating the threshold effect.

AB - In this study, vibration damping behavior of carbon fiber reinforced polymer composites was investigated when ply interfaces were enhanced by lead zirconate titanate (PZT) particles. The influence of particle loading and carbon black coating of particles was analyzed using the dynamic mechanical analysis. When plain PZT particles were distributed in the ply interfaces, the loss factor increased but suddenly dropped with increased particle loading, producing a threshold effect. As the loss factor represents the joule heat of electric current between PZT particles and carbon fibers, the sudden drop implies that there exists incomplete connectivity. To demonstrate the effect of incomplete connectivity, plain PZT particles were coated with carbon black of various weight fraction and the experiments were repeated. The results show there exists an optimal coating ratio of carbon black where the loss factor reaches its maximum value. When the optimal coating was applied to plain PZT particles, the loss factors of composites continuously increased, eliminating the threshold effect.

KW - Carbon black

KW - Lead zirconate titanate

KW - Loss factor

KW - Ply interface

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Effects of PZT particle-enhanced ply interfaces on the vibration damping behavior of CFRP composites

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Keywords

ASJC Scopus subject areas

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