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Caldron For High-Temperature AlloysInduction-heated caldron melts high-temperature alloys. Prevents sort of contamination of melts occurring during arc melting in ceramic crucibles. Liquefies 200 grams of solid metal components of alloy like niobium aluminum and makes alloy homogeneous in less than 3 minutes. Plugged sleeve constitutes main body of caldron. Coolant flows through sleeve to prevent it from melting. Mandrel-wound induction coils adjusted to tune source of power. Also serves as mold for casting alloys into such shapes as bars.
Document ID
19890000532
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Geringer, Henry J. (NASA Lewis Research Center, Cleveland, OH.)
Date Acquired
August 14, 2013
Publication Date
October 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 10
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
LEW-14790
Accession Number
89B10532
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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