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Fiber glass pullingExperiments were conducted to determine the viability of performing containerless glass fiber pulling in space. The optical transmission properties and glass-forming capabilities of the heavy metal fluorides are reviewed and the acoustic characteristics required for a molten glass levitation system are examined. The design limitations of, and necessary modifications to the acoustic levitation furnace used in the experiments are discussed in detail. Acoustic levitator force measurements were performed and a thermal map of the furnace was generated from thermocouple data. It was determined that the thermal capability of the furnace was inadequate to melt a glass sample in the center. The substitution of a 10 KW carbon monoxide laser for the original furnace heating elements resulted in improved melt heating.
Document ID
19870011707
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Workman, Gary L.
(Alabama Univ. Huntsville, AL, United States)
Date Acquired
September 5, 2013
Publication Date
March 1, 1987
Subject Category
Materials Processing
Report/Patent Number
UAH-592
NASA-CR-179036
NAS 1.26:179036
Accession Number
87N21140
Funding Number(s)
CONTRACT_GRANT: NAS8-35978
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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