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ID:32470785
大小:2.49 MB
页数:78页
时间:2019-02-06
《新型电磁防护涂料研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、摘要逛惑翰护涂默邋冀戏本低、工艺锋谯、逶鼹犍强、五鬻姆爨设餐等燃点,在电磁防护裙辩中疆受脊昧。本文研究了爵电填料的添加艇、偶联剂和有机膨懑±鼹妻§入量与方式、及镶覆套震等对溶秘楚导惫蠖缝黎惑逡霉蘩蛙麓豁嚣璃,找出了它们的最健加入爨和加入方式。对电磁翰护材料的围内外研究现状进行了麓竞,默电礅臻与奄蘧滚理谂及奄磁滚每霹辩之涵斡交互捧嚣惑菠,采溪瑟的恩路和方法,采用化学锻和~种Fe鹭抉化学沉积法制辑了耨型的电磁随护奉耋辩。≥}象麓先建懿溺试势辑手浚稀究了祷粉在2~i8G疆。电磁渡颟敬藩藩游电磁渡趿牧矬黢翻在i∞K鞋z~i.5G挂甚漱磁波频段落蹬趣电磁
2、波羼簸馊熊。涂辩黼备工艺中,锅耪添麴繁不同,涂瓣的憔能不同。蕻添加黛为65~75%霹,涂瓣豁瞧娆爨好。攥鞭裁、鸯撬膨溺圭馋惫添魏裁热入鹫涂瓣中,羧繁了骥料铜粉的分数憾和抗氧化性。偶联剂和肖机膨润土的加入量分别为O.2~e.3%、2%惹言麦穗。本文中采用化学镀工鼓,在轻质无机芯材(鞭撰、窑心微球)的表磁包覆一瑟导窀金震<铺、锈霸囊、锈,镶),蕊篥裹瑟金属纯帮暴备霉瓣篷,耩器零魄凝合壤糕。化学镀工艺逶恩予大多数恶规粉末葶娃终维芯撼,热空心微塔、≤誉、碳纯碗晶须等,:[蕊瀚芯秘不葡两略商不同。实验迸聚用一种Fe置换化学试投法裁蕊导惫爱念填瓣。这羊孛方
3、法露铁耪敢逐豢裁,髭镪离子还愿受锻趣覆在芯材耪体表面,工艺筒龋,成举较低,生产效举高,假不适用于纤维粉体,在无掇羚侮主其麓黄宠懿覆主浮爱羧丈、溺麓鼗潞岛委。鼗费嚣葜曩壅器建遵行了探讨。测试了空心微拣表面镀铜(新化学镀方法)/镍、铜(新化学镀方法),凝麓嚣瓣截潦器瀚器滚器瞧磁瀑蔽往鬣。美键词溶料;电磁屏蔽;吸波;他学镀}表面金属化。AbstractTheelectromagneticsafetyconductivepaintshaveagreatfutureinthisrealmbecauseofitslowcost,simplecraft,go
4、odapplicability,withoutspecialequipmentsetc.Westudiedsystematicallytheeffectofs。mefactors,suchastheaddingaⅡlountoftheconductivefillingandorganobentonite,thedosageandtheaddingmethodofKH一550aminosilanecouplingagent,thecategoryofthemetalthatcoated,totheconductivecoatingonitsele
5、ctricconductivityanditselectromagneticshieldingeffectiveness,andfoundouttheiroptimaladdingamountandmethod.Inthisthesis,theresearchandthedevelopmentofelectromagneticsafetymaterialshavebeenreviewed.Onthebasisofthetheoryoftheelectromagneticfield,theelectromagneticwaVeandtheinte
6、ractionbetweenthematerialsandtheelectromagneticwave,severalkindsofnewcompositeshavebeenpreparedbyadoptingnewmethods,electr01essplatingandakindofmethodofFereplacementchemicalaggradation,andstudiedbyadvancedmeasuringandanalyzingcomponents.Thewaveabsorbingpropertiesandelectroma
7、gneticshieldingeffectivenesssofcompositesoftheabovehavebeenstudiedsystematicallyatthefrequencyrangefrom2GHzto18GHzandfromlOOKHztol,5GHz.Thepropertiesofthecoatingwiththecontentof65~75%copperpowderfillingarethebest.Couplingagentandorganobentoniteusedasadditiveinthecoatingcanim
8、provethedispersionandtheoxidationresistivityofthecopperpowderfilling.Whenad
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