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1、聚合物也能做成隐身材料(Polymerscanalsobemadeintostealthymaterials)Stealthmaterialisoneofthekeyaspectsofthedevelopmentofstealthtechnology.Atpresent,themainmilitarypowersintheworldaredevelopingseveralnewstealthmaterials.AP(1)chiralmaterials(chiralmaterial)[1].Chiralreferstoanobjectanditsmirrorsymmetrydoesnote
2、xistandcannotcoincidewiththeobjectandimagebyanyoperationphenomenon.Researchshowsthatthecharacteristicsofchiralmaterials,canreducethereflectionofincidentelectromagneticwaveandelectromagneticwaveabsorption.AP(2)nanostealthmaterials[2].Inrecentyears,theresearchofnanomaterialstoproveunceasinglythorou
3、gh,theabsorbingpropertiesofnanomaterialshaveexcellent,nanomaterialshasbeenpaidmoreattentionbythemajorcountriesoftheworld,andregarditasanewgenerationofstealthmaterialsforexplorationandresearch.AP(3)conductivepolymermaterials[1].Thismaterialdevelopedinrecentyears,ithasdiversestructureandlowdensitya
4、nduniquephysicalandchemicalproperties,ithasattractedwideattentionfromthescientificcommunity.AP(4)ceramicabsorber.Ceramicabsorbentthanferriteoflowdensity,goodabsorbingproperties,hightemperatureresistance,butalsocaneffectivelysuppresstheinfraredradiationsignal,thiskindofabsorberaremainlySiCpowder,S
5、iCfiberandboronaluminumsilicate.Ofcourse,ifthepowderabsorbersizetothenanometerscale,canalsobeincludedinstealthnanomaterials.AP(5)saltabsorbent[1,2].RetinylSchiffbasepolymerssuchas,highpolarizationsaltsinthematerialstructureofdoubleiondisplacementwithabsorbingfunction,whichhasstrongpolarizationcha
6、racteristicsofradarwave,bythesaltabsorption,energyintoheatdissipation,acertaintypeofsaltcanabsorbaspecificwavelengthofradarwave.AP(6)polycrystallineironfiberabsorber[2].Polycrystallineironfiberisakindoflowdensitymagneticabsorbingmaterial,canachieveahighabsorptioneffectinawidefrequencyrange,andthe
7、qualitylossof40%to60%,whichmostmagneticabsorbingmaterialsaredensityproblems.Thefiberspassthroughthedualroleofmagneticlossandeddycurrentlosstoachievetheabsorptionofelectromagneticwave.AP(7)plasmaabsorbingmaterial.Theuse