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金属学报(英文版) 1999
RAPID SOLIDIFICATION OF HYPEREUTECTIC SILVER-COPPER ALLOY IN DROP TUBE
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Abstract:
1.IntroductionDroptubeprocessingnotonlyprovidesatechniqueforcontainerlesssolidificationinmicrogravityenvironmentbutalsohasanadvantageofcombiningrapidcoolingwithhighundercooling.Therefore,ithasattractedgreatresearchinterestandhasbeenwidelyusedtostudytherapidsolidificationofalloysinrecelltyears112].Ag--Cuisatypicalbinaryeutecticsystem,anditssolidificationmicrostructurehasbeeninvestigatedbyseveralmethods.Therelativelyearlyworkfocusedmainlyonthesolubilityofprimaryphase.Thesplatquenchingexperimen…