High-frequency Electromagnetic Properties of Magnetic Polymer Composites for Microwave Applications，第六届亚欧研讨会上处理和性能增强聚合物会议文集（2013.6.2-6 武汉）-中国聚合物网,论文下载

High-frequency Electromagnetic Properties of Magnetic Polymer Composites for Microwave Applications

资料类型：

PDF文件

关键词：

multifunctional composites ferromagnetic microwires effective permittivity frequency
domain spectroscopy

资料大小：

110K

所属学科：

分子表征

来源：

第六届亚欧研讨会上处理和性能增强聚合物会议文集（2013.6.2-6 武汉）

简介：

Ferromagneticmicrowiresandtheircompositesarehighlypromisingformicrowaveandmillimeter-waveapplicationscl].Inthesefrequencyranges,theconductivelossassociatedwiththeskineffectcanbemediatedbychoosingawireofpropergeometry.Whenitcomestothemicrowaveapplications,twoprincipaldirectionsshouldbeconsidered.Oneisthereconfigurabledevicesbasedonthemicrowires,e.g.,tunablemicrowirecomposites[2],wherebythemodulationofdielectricspectracanbecross-tunedbythemagneticfield.NotethatthismagneticfieldcouldbeeithersmallmagneticfieldrelyingonGMIeffectofmicrowiresorhighmagneticfieldrelyingontheferromagneticresonance(FMR)features.Forthecaseoflow-fieldtuning,itisnecessarytohaveproperskineffectcharacterizedbytheratioofskindepthtothewirediameter,whichshouldtakeanoptimizedvalueinordertomaximizethetunableeffect.Whileforthecaseofhigh-fieldtuning,theresistancecouldbehighorlow,whichwillyielddifferenttuningeffectsonthescatteringspectraC3].Melt-extractedmicrowiresusuallyhaveadiameterofabout40microns,yetwithfairlygoodtensilestrengthupt04GPa.Therelativelylargediametermakesitsuitableforthelow-fieldtunableoperations.WeexperimentallyshowthatthehighfieldeffectonthedispersionofeffectivepermittivityinamagneticpolymercompositeisdictatedbytheFMRfeaturesandmagnetocapcitativeeffect.Thescatteringcharacteristicsaredominatedbythereactanceofcompleximpedance.InthevicinityofFMRresonance,theskindepthreachesminimumandtheresistanceachievesmaximumandhencethepermittivity.Thisgenerallyleadstotheexpectationthatthemelt-extractedmicrowirescanoffertheparentpolymerbothexcellentmechanicalreinforcementeffectandbroad-rangemagneticfieldtunability.

作者：

F. X. Qinl, C. Brosseau, H. X.Peng

上传时间：

2013-06-25 11:55:16

下载次数：

消耗积分：

立即下载：

好

1人

中

1人

差

1人

友情提示：下载后对该资源进行评论，即可奖励2分。

报告错误：

1.下载无效　 2. 资料明显无价值　 3. 资料重复存在

相关评论 共有0人发表评论

更多评论

你还没有登录，无法发表评论，请首先

免责声明：本站部分资源由网友推荐，来自互联网，版权属于原版权人，如果不慎侵犯到您的权利，敬请告知，我们会在第一时间撤除。本站中各网友的评论只代表其个人观点，不代表本站同意其观点。

最新上传资料
·	电纺纳米纤维增强聚合物复合材料...
·	超高相对分子质量聚乙烯的研究进...
·	吸油树脂的研究进展
·	双酚A二缩水甘油醚的合成
·	间戊二烯-苯乙烯共聚物的合成
·	用负载型钛系催化剂制备的乙丙共...
·	Simulation of Fiber Orientati...
·	Advances in Ordered Polymer-b...
·	Construction of Dual Stimuli...
·	Small Amount of Functionalize...
·	Multi-scale Linear Low-nsity ...
·	Magnetic iron oxide (Fe3O4) ...
·	Surfactant Free C02-in-Water ...
更多>>

热点资料
·	Electroactive Responsive Shap...
·	Novel Method for Silver Nanow...
·	Construction of Dual Stimuli...
·	Simulation of Fiber Orientati...
·	吸油树脂的研究进展
·	超高相对分子质量聚乙烯的研究进...
·	Electrospun Nanocomposite fro...
·	Structural Aspects of Polymer...
·	Unidirectional Natural Fibre ...
·	Study on Structure and Proper...
·	Multiaxial Fatigue Behaviour ...
·	Actuation and Shape SMP/CNTs...
·	Advances in Polymer Nanocompo...
更多>>

相关资料
·	乳液复合技术: 一种节能、高效、...
·	Progress on High Performance ...
·	LCST 型聚合物的二维相关光谱研...
·	Advances in Ordered Polymer-b...
·	Multi-scale Linear Low-nsity ...
·	Plasticization of Biomass and...
·	The Effects of Ionic Solvent-...
更多>>