超声电解法制备钴超细粉体及其应用

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1、AbslraCtAbStI’aCtUItrafineCOba1tPowderwasapPliedinthehorninessaIIoyandmagneIiccom即sitmalerials.GoodultrafineCobaltPowderdisPersivestabilitycouldenhancethePropertyofmaterials.AfterresearchedthenreParaI1onofultrafineCObaltPoWder妙theultrasonicn1ethodcouldfindahugeaPP1ie

2、dforegroul1dway.First，thisresea动intheenvironmentof60，C，PH粗.5一35，adoPtthedevotiontyPeultrasonicP1ankwiththePowerof360WtoelectroIyseCoCl2aquasindiferentconcentratiOninthewater.Inthewayofchangethecurentdensityandconcentrationtogettheruleofthecun”etdensitytotheu1trofinec

3、obaltPowdersize;Second，adoPtthediferentvolumepercentageofo.lmol/Lofsodiumdodecylsulfate(SDS)aquaandsglLglutinaquaasthedispersant，acc0rd1ngtothedesignofcurentdensityandconcenlratio几togettheinfluenceofdisPersant;Thlrd，明alysedthedisPersantsbowtoinfiuencethedispers1vesta

4、bility;Last，DiscussedthesePartionmethodoftheultrafinecobaltPowderandthepowderconservationintheProcessof1nanagethepowder.UsethecObaltPoWderdisPersedintheE5ltomakethemag刀eticcomPositma1erialsaJ1dmeasurethemagneticproper’ty.ThestlIdyad0PtedtheXRD、thelaserdegreeanalysis、

5、microimagealla」ysisetctested户ysicalcOinPose、degreeandthediSPersivesta1einmicrocircumstance.Thes1udyofthecur’rentdensityandconcentrationshowedaPPrO州atecurentdensityandconcentrationcouldkeePtheD50belowl林m;ComParedthelwodisPersants之hatusethelvol%SDSdispersantinthecurent

6、densityof160mAj心In2couldobtaintheminimuD50”0.72卜m;Analysedthei胡uenceofultrafillecobaltpowderslabilityintwodisPersanls，theti砒一sizetrendcouldshowthatglutindi印ersantcankeePthediSPersives切teefectively.TberesultofCoPowder/E5lcomPositmaterialsinductancemeasurementshowedint

7、helowfiequencythed1sPersiveefectivelyhaslargeinfluence;初ththefrequencyincreasedtheinductal1cehaslitIec1加旧ge，diferentProPonionalcomPositmaterialshaveafewchan罗sininduclance.Keywords:ultrasoniceleclrolysis;ultrafinePowder;cobalt;disPerse;magnetlccomPOsitematerials学位论文独创

8、性声明学位论文独创性声明本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的研究成果。据我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其他人已经发表或撰写过的研究成果，也不包含为获得止丛如到乞或其他教育机构的学位或证书而使用过的材料.与我一