Thermophysical property measurement and materials research in the NASA/MSFC electrostatic levitator

Details Thermophysical property measurement and materials research in the NASA/MSFC electrostatic levitator Thermophysical property measurement and materials research in the NASA/MSFC electrostatic levitator

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..552..332r&link_type=abstract

Space Technology and Applications International Forum - 2001. AIP Conference Proceedings, Volume 552, pp. 332-336 (2001).

Physics

Plasma Physics

1

Spaceborne And Space Research Instruments, Apparatus, And Components, Instrumentation For Space Plasma Physics, Ionosphere, And Magnetosphere, Gravitational Radiation Detectors, Mass Spectrometers, And Other Instrumentation And Techniques, International Organizations, National And International Programs

Scientific paper

Containerless processing is an important tool for thermophysical property measurements and materials research. The freedom from a crucible allows processing of liquid materials in a metastable undercooled state, as well as allowing processing of high temperature and highly reactive melts. Electrostatic levitation (ESL) is a containerless method which provides a number of unique advantages, including the decoupling of positioning force from sample heating, the ability to operate in ultra-high vacuum or at moderate gas pressure (~3 atm), and the ability to process non-conducting materials. ESL also has the potential to reduce internal flow velocities below those possible with electromagnetic, acoustic, or aeroacoustic techniques. The ESL facility at NASA's Marshall Space Flight Center (MSFC) is in use for thermophysical property measurements and materials research by a number of different internal and external investigators. The methods for obtaining access to the facility, as well as a summary of current capabilities and some future directions will be discussed. .

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