動(dòng)態(tài)流化還原FeOOH法制備α-Fe納米纖維及性能研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文動(dòng)態(tài)流化還原FeOOH法制備αFe納米纖維及性能研究姓名：魏敏申請學(xué)位級別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：官建國20070501AbstractIronnanowireisOneoftheidealmaterialsthatconstructtheintegratedcircuitsandthefunctioncomponentwithhandelectronicsandphotoelectronpartsItnot

2、onlyhasthemetalscharactersofgoodconductivityandheattransferbutalsohasspecialelectromagnetismcharacteristicwhichmadeitappHedinmanyfieldssuchaselectromagneticshieldingorabsorbingmaterial，the毯班densitymagnitismrecordiagmater

3、ialhighqualitysensitivedevices，SOOILPresentlythepreparationtechniqueofironnanowireWaSnotmatureThetemplatemethodscangetthenanowirewithcontrollableaSpP籠tratiobutthismethodhasthesmallyielahighCOStshortcomingandithardlysatis

4、fiestheneedofcommercialprocessInthispaper，theironnanowirewerepreparedbythefluidizedvaporreductiontechniqueThepreparationoftheaFeOOHwithbigaspectratioisthefirstkeytechniqueUsuallyadditiveisusedtOptoinngtheaspectratioofthe

5、ctFeOOHfibersInthispapertheeffectofthewatersolublemacromoleculePEGsonthegrowthprocessofctFeOOHcrystalWasdiscussedandcomparedwithzn2additiveforthefirsttimeFinallyitsinfluencetotheoxidationvelocityofctFeOOHWasdiscussedInsu

6、mmary：(1)CompareAtoZn2additives，PEGcouldacceleratetheaFeOOHgrowingobviouslybothonaxisandradialbutcouldnotensurotogetuniformandsizecontrollableparticles；(2)TheaspectratioofaFeOOHcouldbecontrolledthroughtheamountofdopingZn

7、2theaspectratioWasincreasedwithincreasingofthe鋤ountof歷2thereductionheattreatmentteclmicsofaFeOOHWastheotherkeytechniqueforthepreparationofironnanowireWithincreasingreducedtemperatureandreducedtimethesintcringwasmoreobvio

8、usInthispartthereweretwofocalpoints：theoneWastheheattreatmentprocessofctFeOOHtheotherWastheinfluenceofZnzonthctheelectromagnetismpropertiesofctFefibersThroughadjustjingthetemperature，timegascomponentandfluxintheprocessof