強磁場對錫銅金屬間化合物生長行為的研究.pdf

1、大連理工大學碩士學位論文強磁場對錫銅金屬間化合物生長行為的研究姓名：楊朋申請學位級別：碩士專業(yè)：材料學指導教師：趙杰20060601大連理工大學碩士學位論文Theeffectsofhighmagnetic6eldontheg邢wthbeh棚。瑙of恤copper砒e珊eta隘ccompo硼ds叫C)lay哪AbstractThe11i曲ma印eticfield(HMF)not011lycallcon虹01血eprocessofphysi

2、calorchemic“reaction，butalsocan印plyheavyimenSitymagnetizingene唱ytomasson也escaleofatomormolecule，tochangeitsaⅡange，matcll’Inigrationanddiff缸ionbehaviorsThen也eatombehaviorSofmedissimilarsubstancewillbeobviollslydi圩erent誦mo

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4、d砒AndSn3Ag—O5C“cujointswere咖died’tooTheresIlltsareshownasfollows：1With血epr010ng啦oftlleagillgtime，meshapeofIMChadchanged丘Dmsmalls鯽∞oth勺，petowavetypegraduallyr11磚grow出ratesofmeSn3Ag—O5C1l／CuIMCw甜eenllancedinthehighma弘etic缸

5、eld，andtllegmwcllactivationene唱yisabout16kJ，mol(謝tlloutHMF)and5lkJ／mol慚血IMF)TheHMFreduced吐Iegrowchactivationenergyoft11eSn3Ag05CWCujoints21heappearaIlceoftlleIMCc姆dclearlyafterage訊g。IkIMCofnlesold積ngsamplesisnuct啪t，aIldt

6、11ecrystalsaredavifo珊；也efluctuationof恤di抽sionweldings鋤ples’IMCisslight，andmecrystalsareregularpolyhedronThegrow￡llveloc姆of也eIMCincreased誠htherisillgofmeage主Ilgtemperal：ureTheIMC掣洲1velocityofsolde血gjointswere缸termallthato

7、f也edi觚sionweldingjons，鋤dthedimsionact主Vationenergyofthesolderingjoimsislowerthantllatof也edif如sionweld抽gjointsTheactiVationenergyofthesold謝ngjointsis52kJ／mol；thediffIlsionweldingjoimsis94kJ／moltThegrowtlloftheIMCiscoⅡ叻11e

8、dbygrainimerfacedi療usionwhenmeagingtemperatWeislower，andcontmlledbybodydifmsionwhenmeagingteHlperatureishigher3TheIMC鏟ow出velocityofmetwotypesofweldingjointsincreased謝mmerisingoftemperaturewhent11eywereagedintheHMFTheIMCg

9、ro、vthrateoft11es01deringjointswereplacedwilhthemagneticdirectionalongtheSndifmsiondirection(DirectionII)ishighert11anthatalongtheCudifmsiondirection(DirectionI)T11eeffectsoftheHMFdirectiononthedifmsionweldingjointsareun