Microstructure, electrical conductivity and microwave absorption properties of γ-FeNi decorated carbon nanotube composites
Microstructure, electrical conductivity and microwave absorption properties of γ-FeNi decorated carbon nanotube composites
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γ-FeNi修饰碳纳米管复合材料的微观结构、电导率及微波吸收性能
DOI:
10.1016/j.compositesb.2015.09.056
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发表时间:
2016-02
期刊:
影响因子:
--
通讯作者:
Mircea Chipara
中科院分区:
文献类型:
--
作者:
Qiaoxin Yang;Ling Liu;David Hui;Mircea Chipara
Nano-composite particles of γ-FeNi alloy/carbon nanotube (γ-FeNi/CNT) were successfully synthesized by wet chemical method. Microstructure of the as obtained nanoparticles was characterized by XRD, TEM, and EDS. The particles were then dispersed into epoxy resin to make conductive and microwave absorbing composites. Results have shown that the expected γ-FeNi nanoparticles were uniformly deposited a on the surfaces of CNTs with an average diameter of 16 nm. The epoxy based nanocomposites exhibited semi-conductive behavior and a maximum reflection loss of −15.4 dB at 16.5 GHz were obtained with thin thickness (1.6 mm) and low particles loading (2 wt%) of specimen. With similar microwave absorption strength and thickness of specimen, the particles loading used in this research (2 wt%) was much more lower than that reported in previous studies (∼30 wt%).
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DOI:
10.1007/s11431-010-3145-y
发表时间:
2010
期刊:
Science China Technological Sciences
影响因子:
--
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DOI:
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