Effect of Crystallization Condition on the Microwave Properties of Fe-based Amorphous Alloy Flakes and Polymer Composites

被引：9

作者：

Moon, Byoung-Gi ^{[1
]}

Hong, Soon-Ho ^{[2
]}

Sohn, Kenn Yong ^{[2
]}

Park, Won-Wook ^{[2
]}

Kwon, Sang-Kyun ^{[3
]}

Song, Yong-Sul ^{[3
]}

Lee, Taek-Dong ^{[4
]}

机构：

[1] Korea Inst Mat Sci, Dept Adv Metall Mat, 531 Changwondaero, Chang Won, Kyungnam, South Korea

[2] Inje Univ, Sch Nano Engn, Kyungnam, South Korea

[3] Amosense Co, Gimposi, South Korea

[4] Korea Inst & Technolo, Dept Mat Sci & Engn, Daejeon, South Korea

来源：

13TH INTERNATIONAL CONFERENCE ON RAPIDLY QUENCHED AND METASTABLE MATERIALS | 2009年 / 144卷

关键词：

D O I：

10.1088/1742-6596/144/1/012004

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The electromagnetic (EM) wave absorption properties with a variation of crystallization temperature have been investigated in a sheet-type absorber made of the amorphous Fe73Si16B7Nb3Cu1 Finemet powder. With the variation of the annealing temperature, the magnetic and dielectric properties of the crystallized Fe-based absorber with a nano-structure were changed. The complex permittivity increased with increasing the annealing temperature, whereas the complex permeability was maximized after annealing at 530 degrees C for 1 hour. The absolute value of the reflection parameter, vertical bar S-11 vertical bar, increased with increasing annealing temperature of the nanocrystalline alloy powder. On the contrary, the transmission one, vertical bar S-21 vertical bar, showed the highest value after annealing at 530 degrees C for 1 hour, which is regarded as the optimum temperature for the improvement of EM wave absorption properties.

引用

页数：4

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