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Gravitational influence on eutectic solidificationThe effect of gravity on eutectic solidification was investigated experimentally for Pb-Sn binary eutectic alloys. It is found that the separation of the primary crystals of the binary system from the coupled eutectic occurs over a wide range of cooling rates and gravitational fields (100-100,000 g). The separation is strongly influenced by the nucleation behavior of the particular alloy system. A mechanism for the strong phase separation is postulated on the basis of cloud convection models in atmospheric convection.
Document ID
19920051222
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sokolowski, Robert S.
(NASA Headquarters Washington, DC United States)
Glicksman, Martin E.
(Rensselaer Polytechnic Institute, Troy, NY, United States)
Date Acquired
August 15, 2013
Publication Date
April 1, 1992
Publication Information
Publication: Journal of Crystal Growth
Volume: 119
Issue: 1-2,
ISSN: 0022-0248
Subject Category
Materials Processing
Accession Number
92A33846
Distribution Limits
Public
Copyright
Other

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