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金属学报(英文版) 1997
MICROSTRUCTURE AND MACROSEGREGATION OF Al-7%Si ALLOY SOLIDIFIED UNDER COMPLEX EFFECTS OF ELECTROMAGNETIC AND CENTRIFUGAL FORCESKeywords: electromagnetic field (EMF),centrifugal force,Al-7%Si alloy,macrosegregation,solidification microstructure,convection Abstract: 1.IntroductionElectromagneticcentrifugalcasting(EMCC)isanewtechnologydevelopedfromcentrifUgalcastingandelectromagneticstirringprocessing.WithaseeofEMFgeneratingdeyicemountedonacentrifugalcastingmachine,liquidmetalssolidifyunderthecomplexeffectsofEMFandcentrifugalforce.ThequalityofthecastingsiscontrolledbymodifyingtheparametersofEMFandcentrifugalcasting.Thistechnologyprovedveryeffective...inimprovingthemacrostructureandpropertiesofthecastings'].WiththeeffectoftheEMF,thereisalwaysaconve…
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