Flexible polymer composite electromagnetic crystals

被引：6
|
作者：
Marrett, C [1 ]
Moulart, A
Colton, J
Tcharkhtchi, A
机构：
[1] Georgia Inst Technol, Sch Mech Engn, Atlanta, GA 30332 USA
[2] ENSAM, F-75013 Paris, France
来源：
POLYMER ENGINEERING AND SCIENCE | 2003年 / 43卷 / 04期
关键词：
D O I：
10.1002/pen.10068
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The dielectric properties of a ceramic powder (BaTiO3) filled thermoplastic elastomer (EPDM TPE) were investigated for use in a flexible electromagnetic crystal. Materials were produced that had a high dielectric constant (approximately 9) and low loss tangent (less than 0.01). Materials were extruded and injection molded so as to provide low-cost processing. Mechanical and electromagnetic test results showed the effect of processing conditions on the final quality of the composite. The shear rate during processing and the number of mixing cycles were found to affect the final material characteristics significantly. An electromagnetic crystal woven from extruded rods showed good reflectivity in the 10-15 GHz region.
引用
收藏
页码：822 / 830
页数：9
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