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The Electromagnetic Levitator Facility (EML) on Board the ISS

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Metallurgy in Space

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

The electromagnetic levitator (EML) is a materials science research facility for contactless processing of conductive samples between 6 and 8 mm in diameter up to 2100 °C in an ultraclean environment. EML provides unique opportunities for the investigation of liquid metals, alloys and semiconductors, both above and below their melting temperatures, in particular including also the undercooled regime. This chapter provides an overview of the capabilities of the EML payload which comprise precision measurements of various physical properties over a broad temperature range, e.g. viscosity, surface tension, heat capacity, heat of fusion, hemispherical emissivity and electrical conductivity as well as studies of solidification statistics, crystal growth speed, morphology and phase selection. Performance data obtained from on-orbit experiments and recent facility enhancements are presented. Moreover, an outlook to near-term EML program activities and further future enhancements is given increasing the facility’s capabilities for the coming years and sound scientific experiment batches.

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References

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Acknowledgements

The EML facility was developed by Airbus Defence and Space under programs of and funded by the European Space Agency (ESA) under ESA Contract 21788/08/NL/BJ and by the Space Agency of the German Aerospace Center (DLR e.V.) with funds of the German Federal Ministry of Economics and Technology under contracts 50WP0505, 50WP0606 and 50WP0808.

The EML facility diagnostics upgrade HSC-OS second generation, and SCE were developed by Airbus Defence and Space funded by the Space Agency of the German Aerospace Center (DLR e.V.) with funds of the German Federal Ministry of Economics and Technology (contracts 50WP1600 and 50WP1210).

The EML program continuation with all experiment batches and OCS were and are developed by Airbus Defence and Space and funded by ESA Contract 21788/08/NL/BJ, various CCNs. The view expressed herein can in no way be taken to reflect the official opinion of the European Space Agency.

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Correspondence to Wolfgang Soellner .

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Soellner, W., Aicher, W. (2022). The Electromagnetic Levitator Facility (EML) on Board the ISS. In: Fecht, HJ., Mohr, M. (eds) Metallurgy in Space . The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-89784-0_3

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