MIT studies on dendritic solidification from 1950 to 1970

•Historical review of studies on alloy solidification is provided.•Relations between the cooling rate, microstructure and void formation are discussed.•Development of mushy zone theory is analyzed in connection with segregation.•Modern computational methods are linked to fundamentals of solidificati...

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Bibliographic Details
Published in:Journal of crystal growth 2020-01, Vol.530, p.125246, Article 125246
Main Author: Flemings, Merton C.
Format: Article
Language:English
Subjects:
A1. Characterization
A1. Dendrites
A1. Heat transfer
A1. Segregation
A1. Solidification
Continuous casting
Crystal growth
Engine components
Solidification
Superalloys
Supercooling
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Summary:•Historical review of studies on alloy solidification is provided.•Relations between the cooling rate, microstructure and void formation are discussed.•Development of mushy zone theory is analyzed in connection with segregation.•Modern computational methods are linked to fundamentals of solidification. A number of circumstances combined in the years following the Second World War to bring about much increased interest in solidification from both engineering and science perspectives. These included the advent of new casting processes such as continuous casting, superalloy casting for engine parts, silicon crystal growing for the electronics, and new basic understandings including the advent of constitutional supercooling. This paper recalls developments in solidification processing during the two decades following 1950, focusing primarily on work at MIT in those years.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2019.125246