Dielectric properties of polyetheretherketone irradiated with electron beam in helium gas

Author

Shinyama, K. ; Fujita, S.

Author_Institution

Dept. of Electr. & Electron. Eng., Hachinohe Inst. of Technol., Japan

fYear

2001

fDate

2001

Firstpage

183

Lastpage

186

Abstract

After a high dose electron beam was irradiated to polyetheretherketone (PEEK) in helium (He) gas, the temperature dependence of the relative permittivity and the relative dielectric loss factor were measured. Glass transition temperature (T_g) values were calculated from graphs depicting the relationship between logarithmic values of τ(T_m) data and T_m values through use of the WLF equation. These results were compared with those of specimens irradiated in the air and the relationship between the atmosphere of the irradiation and electrical properties was investigated

Keywords

dielectric losses; electron beam effects; glass transition; permittivity; polymers; He; WLF equation; dielectric loss; dielectric properties; electron beam irradiation; glass transition temperature; helium gas; permittivity; polyetheretherketone; temperature dependence; Dielectric loss measurement; Dielectric losses; Dielectric measurements; Electron beams; Glass; Helium; Loss measurement; Permittivity measurement; Temperature dependence; Temperature measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulating Materials, 2001. (ISEIM 2001). Proceedings of 2001 International Symposium on

Conference_Location

Himeji

Print_ISBN

4-88686-053-2

Type

conf

DOI

10.1109/ISEIM.2001.973602

Filename

973602