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纳米二氧化锰散射截面对炭黑电磁性能的影响

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Indexed by:期刊论文

Date of Publication:2008-01-01

Journal:材料科学与工艺

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:16

Issue:6

Page Number:741-744

ISSN No.:1005-0299

Key Words:二氧化锰; 炭黑; 介电损耗; 散射截面; 吸收截面; 微波吸收

Abstract:为了改善单一吸收剂对电磁波的吸收性能并有效拓宽吸收频段,采用纳米二氧化锰掺杂炭黑制备了一种新型的复合吸收剂,并对吸收剂的TEM颗粒形貌,介电特性
   和微波吸收性能进行了研究.结果表明:炭黑属于电阻型损耗介质,主要呈球形多孔状;二氧化锰属于介电损耗介质,其特殊的条形片状结构增加了电磁波在基体内
   的散射截面和反射次数,从而增大了复合吸收剂的消光截面,改善了炭黑的微波吸收性能.

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