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Large-area sheet task advanced dendritic web growth developmentThe "discrete shield' temperature model was completed and verified. Modifications to the J419 low stress configuration were tested experimentally to evaluate effects on growth speed. A composite lid and shield configuration combining the low stress features of the J419 with the width limiting characteristics of the J98M3 was fabricated and tested in the N-furnace. Several long crystals were grown with width limited to about 3.3 cm and with melt replenishment, although the configuration is not yet optimized for steady state growth.
Document ID
19830006404
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Duncan, C. S. (Westinghouse Research and Development Center Pittsburgh, PA, United States)
Seidensticker, R. G. (Westinghouse Research and Development Center Pittsburgh, PA, United States)
Mchugh, J. P. (Westinghouse Research and Development Center Pittsburgh, PA, United States)
Hopkins, R. H. (Westinghouse Research and Development Center Pittsburgh, PA, United States)
Meier, D. (Westinghouse Research and Development Center Pittsburgh, PA, United States)
Schruben, J. (Westinghouse Research and Development Center Pittsburgh, PA, United States)
Date Acquired
September 4, 2013
Publication Date
August 18, 1982
Subject Category
Energy Production And Conversion
Report/Patent Number
DOE/JPL-955843-82/6
NASA-CR-169637
NAS 1.26:169637
Accession Number
83N14675
Funding Number(s)
CONTRACT_GRANT: JPL-955843
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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