加磁場(chǎng)制備和無(wú)磁場(chǎng)制備的磁流變彈性體的機(jī)理研究.pdf

1、中國(guó)科學(xué)技術(shù)大學(xué)碩士學(xué)位論文加磁場(chǎng)制備和無(wú)磁場(chǎng)制備的磁流變彈性體的機(jī)理研究姓名：黨輝申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：固體力學(xué)指導(dǎo)教師：張培強(qiáng)龔興龍20050501AbstractMagnetorheological(MmelastomersrepresentanewclassofmagnetorbeologicalmaterialsTheyconsistofnaturalorsyntheticrubberfilledwithmicronsize

2、dmagnetizableparticlesDuringcurlngoftheelastomeranappliedmagneticfieldalignstheparticlesintochains，whichembeddedinthematrixaftercuringn”irmechanicalpropertiescanbechangedunderamagneticfieldHoweverevenwhenelastomersalecur

3、edwithoutamagneticfield，sometimetheyalsoexhibitfieldcontrolledperformanceThiskindofmaterialsarecalledisotropicMRelastomersInthispaperwefocusonbothanisotropicandisotropicMRelastomemFirstafterthehistorycurrentdevelopmentan

4、dapplicationsofMRelastomersaleintroduced，thepreparation，testandphysicalmodelarebrieflyexplainedThen，theviscoelasticityofthematrixandtheferromagnetismoftheparticlesfldl_eintroduced，atthesanletime，astatisticaImethOdisrevie

5、wedindetailInChapter3thetraditionalmOdeIofanisotropicMRelastomersiSrevisedInthispartthedipolemOdelandthecouplingfieldmodelareintroducedARerthat，onthebasisofdipolemOdelandcouplingfieldmodel，theeffectofdistributionalchains

6、isintroducedAspecialfunctionrelatedwiththepotentialenergyofachainwasusedtodescribethedirectiondistributionofchainsAfteranalyzedbystatisticalmethod，theinfluenceofdistributionalchainsisexpressedbyafactorwhichrepresenttheef

7、fectofmatrixcuringmagneticfield，thesizeofparticleandthegapbetweenparticlesInChapter4isotropicMRelastomersafestudiedindetailFirstlycurrentexperimentalresearchworkinthisfieldissummarizedThenthedipolemOdeliSusedtostudythein

8、terparticlefoicesundertheinfluenceofmatrixbeforecuringoftheelastomerandtheresultjndicatcsthatthereamthreepossibleconfigurationsofparticlesinisotropicMRelastomersAtlast，theMReffectofisotropicelastomerswithparticleconfigur