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Technique for the efficient and reproducible fabrication of electromagnetic levitation coilsA technique has been developed for fabricating electromagnetic induction coils in a reproducible manner. The process utilizes a split mandrel that can be disassembled to remove the mandrel from the coil. The technique has increased coil production rates by a factor of 8 over the freehand winding method. The success rate for producing a functional levitation coil has been increased from 50 percent to 95 percent. The levitation coil designed during this work has successfully levitated and melted a variety of alloys including Cu, Ag, Ag-Ni, Cu-Fe, Fe-C, and Nb-Ge. W was also levitated but not melted at temperatures as high as 2700 C. The highest sample melt temperature achieved was 2400 C for the Nb-Ge samples.
Document ID
19850034379
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Ethridge, E. C.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Curreri, P. A.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Theiss, J.
(NASA Marshall Space Flight Center Space Science Laboratory, Huntsville, AL, United States)
Abbaschian, G. J.
(Florida, University Gainesville, FL, United States)
Date Acquired
August 12, 2013
Publication Date
November 1, 1984
Publication Information
Publication: Review of Scientific Instruments
Volume: 55
ISSN: 0034-6748
Subject Category
Instrumentation And Photography
Accession Number
85A16530
Distribution Limits
Public
Copyright
Other

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