High-temperature electrostatic levitator provides independent control of levitation and heating of sample in vacuum. Does not cause electromagnetic stirring in molten sample (such stirring causes early nucleation in undercooling). Maintenance of levitating force entails control of electrostatic field and electrical charge on sample.
High-Temperature Electrostatic Levitator
NASA Tech Briefs ; 18 , 1
1994-01-01
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