Publication Date:
2019-06-28
Description:
Device protects molten drops from contamination and distortion. Gas flowing through levitator tube levitates small balls while they melt. Gas heated by filament extending through center of tube. Gas bearing crucible on tube has concave configuration to hold single relatively large ball or many recesses to hold many small balls. By time spheres reach foam, they are cooled sufficiently by radiation to retain their shape.
Keywords:
FABRICATION TECHNOLOGY
Type:
NPO-15070
,
NASA Tech Briefs (ISSN 0145-319X); 7; 4; P. 470
Format:
text
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