NASA NTRS · 19800000059
Containerless materials processing in the laboratory
Abstract
Drop tube makes possible preparation of exotic materials. The 100 foot tube is oriented precisely vertical to prevent free-falling drop from hitting tube walls. Inert-gas supply, evacuation pumps, viewing ports, and flexibility in choice of melt technique allow precise control and monitoring of solidification.
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Lacy, L. L., Nisen, D. B., Rathz, T. J., Robinson, M. B.. 1980-08-01. Containerless materials processing in the laboratory. https://ntrs.nasa.gov/citations/19800000059
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