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Fast Melting and Freezing for Microgravity ExperimentsCommercial tube welders adapted to metallurgical research. Proposed furnace melts and resolidifies small metal samples during brief periods. In furnace, sample surrounded by large heat sinks and rapidly heated near midlength by intense source of heat. Furnace intended for use in experiments in microgravity: entire melting-and-freezing process requires less than 20 s of near weightlessness experienced in parabolic climb and dive of KC-135 airplane.
Document ID
19870000365
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Poorman, Richard M. (NASA Marshall Space Flight Center, Huntsville, Ala.)
Date Acquired
August 13, 2013
Publication Date
July 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 7
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-27181
Accession Number
87B10365
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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