High-damping and conducting epoxy nanocomposite using both zinc oxide particles and carbon nanofibers  

作　　者：Jae-Soon Jang Gyo Woo Lee Hyung-ick Kim Sung Yong Hong Lijie Ci Jae-Do Nam Jonghwan Suhr 

机构地区：[1]Simulation Group,Battery R&D Center,SAMSUNG SDI CO.,LTD,Samsung-Ro,Yeongtong-Gu,Suwon-Si,Gyeonggi-Do,South Korea [2]Division of Mechanical Design Engineering,Chonbuk National University,Jeonju,561-756,South Korea [3]Dongnam Regional Division,Korea Institute of Industrial Technology,Jinju 52845,South Korea [4]Department of Polymer Science and Engineering,Sungkyunkwan University,2066,Seoburo,Jangan-gu,Gyeonggi-do,South Korea [5]School of Materials Science&Engineering,Shandong University,China [6]School of Mechanical Engineering,Sungkyunkwan University,2066,Seoburo,Jangan-gu,Gyeonggi-do,South Korea [7]Department of Energy Science,Sungkyunkwan University,2066,Seoburo,Jangan-gu,Gyeonggi-do,South Korea

出　　处：《Journal of Materiomics》2018年第3期187-193,共7页无机材料学学报（英文）

基　　金：This workwas supported by the Basic Science Research Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Education(2017R1D1A1B03030429).

摘　　要：In this study,high-damping and conducting epoxy nanocomposites were developed with carbon nanofibers as conducting materials,and zinc oxide particles as piezoelectric materials.The mechanical and electrical properties,electrical impedance,and loss factors were investigated by uniaxial tensile tests,voltage measurement,impedance measurement,and 3-point bending tests.Two percolation thresholds were found:the percolation threshold of resistivity due to the carbon nanofibers forming conductive networks in the matrix;and the impedance threshold due to the zinc oxide particles acting like electric barriers.A poling treatment of the high-damping and conducting epoxy nanocomposite was considered,and we found that poling treatment helped to make the networks more conductive and to generate voltage from ZnO particles.A high-damping and conducting epoxy nanocomposite with 3 wt%CNF and 10 wt%ZnO exhibited higher loss factor than those of others tested.

关 键 词：DAMPING Piezoelectric materials IMPEDANCE Poling treatment Loss factor 

分 类 号：TB3[一般工业技术—材料科学与工程]