Electromagnetic and microwave absorption properties of surface modified Fe-Si-Al flakes with nylon

被引：45
|
作者：
Zhang, Chuankun [1 ]
Jiang, Jianjun [1 ]
Bie, Shaowei [1 ]
Zhang, Li [1 ]
Miao, Ling [1 ]
Xu, Xinxin [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Dept Elect Sci & Technol, Wuhan 430074, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2012年 / 527卷
基金：
中国国家自然科学基金;
关键词：
Fe-Si-Al flake; Surface modification; Nylon; 6; Microwave absorption; Reflectivity; HIGH-FREQUENCY PROPERTIES; PARTICULATE COMPOSITES; ABSORBING PROPERTIES; METAL PARTICLES; IRON PARTICLES; ALLOY FLAKES; NANOCOMPOSITES; PERMEABILITY; SHAPE; BAND;
D O I：
10.1016/j.jallcom.2012.03.009
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The surface modified Fe-Si-Al alloy flakes with nylon 6 were prepared by a simple melt compounding method, and the electromagnetic and microwave absorption properties were presented. After surface modification, the complex permittivity of the flakes decreases dramatically with increasing amount of nylon 6, while the complex permeability remains nearly intact. The calculated microwave reflectivities show that surface modification is able to improve the microwave absorption performance of Fe-Si-Al flakes and that the composite containing modified flakes with an appropriate amount of nylon 6 is a promising candidate for a thin microwave absorbing material in S-band (2-4 GHz). (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：71 / 75
页数：5
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