強(qiáng)磁場(chǎng)對(duì)SnZn基合金與銅板液-固界面反應(yīng)的影響.pdf

1、大連理工大學(xué)碩士學(xué)位論文強(qiáng)磁場(chǎng)對(duì)SnZn基合金與銅板液固界面反應(yīng)的影響姓名：徐洋申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料物理與化學(xué)指導(dǎo)教師：趙杰20090601強(qiáng)磁場(chǎng)對(duì)SnZn基合金與銅板液／【司界面反應(yīng)的影響InfluenceofHighMagneticFieldonLiquidSolidInterfacialReactionbetweenSnZnbasedalloyandCuSubstrateAbstract111ehi曲magneticfie

2、ld(HMF)notonlyc觚controltheprocessofphysicalorchemicalreaction，butalsocanapplyheavyintensitymagnetizingenergytomassoilthescaleofatomormolecule，tochangeitsarrange，match，migrationanddiffusionbehaviorsThentheatombehaviorsoft

3、hedissimilarsubstancewillbeobviouslydifferentwithorwithoutHMFTIliSpaperstudiesthegrowthbehaviorsofintermetalliccompounds(IMC)anddiffusionphenomenonofatomsunderdifferenthighmagneticfieldconditionsandalSOstudiedtheeffectof

4、addingabitofAgandCurespectivelyontheinteractionmechanismsofhighmagnetic丘eldTheresultsareshownasfollows：FromtheobservationonthecrosssectionofIMClayerstheinterracialIMCbetweenSnlZnandCusubstrateiScomposedofdenseCusZns刪leth

5、eMClayersintheappliedmagneticfieldarecomposedofCusZnsandCuZnComparedwiththethicknessofIMClayerwithoutmagnetic6eldthethicknessofIMC1ayerin01T6eldiSsuppressedHoweverinthelli曲magneticfield，thegrowthofIMClayershasbeenacceler

6、atedAsfortheSn9ZnbasedalloytheinterfacialIMCphaseisCusZngandlargequantitiesofsticklikeZnrichedphaseshavebeenobservedattheinterfacefrontbetweenIMClayerandliquidbathThegrowthofIMClayerswereinhabitedin01Tlowmagneticfieldand

7、thedistributionofZnatomsweredriventohomogeneousThestick1ikeZnrichedphasesweretransfonnedtostrip—likeHoweverthesticklikeZnrichedphasesdisappearedandZn—richedgrainsstillexistedunderlli曲magneticfieldFromtheobservationOilthe

8、morphologiesofIMClayerscrystalgrainsofIMClayerarerefinedtosomeextentbymagneticfieldintheSnlZn／CuandSn9ZrdCucouples，respectivelyOntheotherhand，theinfluenceofmagneticfieldontheIMCcrystallographicorientationisnotobviousfrom

9、XRDanalysisFromtheEPMAanalysisontheinterfacialIMCcomponentsmagneticfieldinhibitedthediffusionofCuatomsandZnatoms，anddepressedconcentrationofZnneartheinterfaceMlelltheAgwasaddedtotheSnZnalloythethicknessoflMClayershasbeen

10、inhibitedandthesizeofIMCgrainshasbeenpromoted，whileitdidn’tchangetheinteractionmechanismsofmagneticfieldonSnlZnalloyHoweveraddingCutoSn9ZnalloydecreasedtheconcentrationofZnattheinterfaceandtheadhesivenessofIMCgrainsofSn9