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Rapid solidification of levitation melted Ni-Sn alloy droplets with high undercoolingExperimental results obtained by high-speed optical temperature sensing for the rapid solidification of highly undercooled, levitation-melted Ni-Sn alloy droplets are presented. These data suggest a solidification model proceeding according to overlapping steps: (1) dendritic growth within the bulk undercooled melt, (2) continued recalescence as supersaturation of the interdendritic liquid dissipates, (3) fine-scale remelting within the dendrites, (4) ripening of the fine structure, and (5) solidification of remaining liquid at the end of recalescence.
Document ID
19880041476
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Shiohara, Yuh (MIT, Cambridge, MA; Waseda University Tokyo, Japan)
Flemings, Merton C. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Wu, Yanzhong (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Piccone, Thomas J. (MIT Cambridge, MA, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1985
Publication Information
Publication: Tetsu-to-Hagane - Iron and Steel Institute of Japan, Journal
Volume: 71
ISSN: 0021-1575
Subject Category
Materials Processing
Accession Number
88A28703
Funding Number(s)
CONTRACT_GRANT: NSG-7645
Distribution Limits
Public
Copyright
Other

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