NASA NTRS · 19830006404
Large-area sheet task advanced dendritic web growth development
Abstract
The "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.
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Duncan, C. S., Seidensticker, R. G., Mchugh, J. P., Hopkins, R. H., Meier, D., Schruben, J.. 1982-08-18. Large-area sheet task advanced dendritic web growth development. https://ntrs.nasa.gov/citations/19830006404
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