Title :
Permittivity characteristics of epoxy/alumina nanocomposite with high particle dispersibility by combining ultrasonic wave and centrifugal force
Author :
Kurimoto, Muneaki ; Okubo, Hitoshi ; Kato, Katsumi ; Hanai, Masahiro ; Hoshina, Yoshikazu ; Takei, Masafumi ; Hayakawa, Naoki
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Nagoya Univ., Nagoya, Japan
fDate :
8/1/2010 12:00:00 AM
Abstract :
This paper proposes a novel technique to fabricate epoxy/alumina nanocomposites with nanoparticle composite process by combination of ultrasonic wave and centrifugal force. The particle dispersion effect of the nanoparticle composite process and its influence on dielectric permittivity were discussed quantitatively. Experimental results clarified that the combination of ultrasonic wave and centrifugal force was effective to increase dispersed nanoparticles and as well as to separate residual agglomerates. We verified that the improvement of particle dispersibility in the nanoparticle composite process by combination of ultrasonic wave and centrifugal force could bring about lower permittivity of the nanocomposites, especially than that of unfilled epoxy material.
Keywords :
alumina; disperse systems; nanocomposites; nanofabrication; nanoparticles; permittivity; resins; ultrasonic waves; Al2O3; centrifugal force; dielectric permittivity; epoxy-alumina nanocomposite; high particle dispersibility; nanoparticle composite; particle dispersion; residual agglomerate separation; ultrasonic wave; Acoustics; Composite materials; Conducting materials; Dielectric losses; Dielectric materials; Dielectrics; Dispersion; Force; Inorganic materials; Materials; Nanoparticles; Permittivity; Polymers; Surface treatment;
Journal_Title :
Dielectrics and Electrical Insulation, IEEE Transactions on
DOI :
10.1109/TDEI.2010.5539699
