Electromagnetic Levitator Batch 2 - Chill Cooling for the Electromagnetic Levitator in Relation with Continuous Casting of Steel (EML Batch 2 - CCEMLCC) - 01.25.17

Overview | Description | Applications | Operations | Results | Publications | Imagery

ISS Science for Everyone

Science Objectives for Everyone
The CCEMLCC experiments focus on the investigation of surface morphology of chill cooled industrial steel alloys which model solidification of the skin of continuous casting products. The obtained microstructure is also analyzed.
Science Results for Everyone
Information Pending

The following content was provided by Charles-Andre Gandin, Ph.D., and is maintained in a database by the ISS Program Science Office.
Information provided courtesy of the Erasmus Experiment Archive.
Experiment Details

OpNom:

Principal Investigator(s)
Charles-Andre Gandin, Ph.D., Ecole de Mines de Paris, ARMINES-CEMEF (CETSOL), 6904 Sophia Antipolis, France

Co-Investigator(s)/Collaborator(s)
D. Herlach, Germany
T. Volkmann, Denmark
V. Uhlenwinkel, Germany
H. Henein, Canada

Developer(s)
European Space Agency (ESA), Noordwijk, Netherlands

Sponsoring Space Agency
European Space Agency (ESA)

Sponsoring Organization
European Space Agency

Research Benefits
Earth Benefits, Scientific Discovery

ISS Expedition Duration
September 2016 - February 2017

Expeditions Assigned
49/50

Previous Missions
Information Pending

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Experiment Description

Research Overview
Information Pending

Description
Information Pending

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Applications

Space Applications
Industry partners to the projects are seeking to optimize ground processes, and have a direct interest in the knowledge that is gained from the experiments. This can, in turn, find its way into the development of new light-weight, high-performance structural materials for space applications.

Earth Applications
Investigations carried out with the Electro-Magnetic Levitator (EML) provide both reference data on thermophysical properties and microstructure formation for the same metallic alloy samples. (The microstructure in an alloy influences its characteristic properties such as strength, flexibility and resistance to fatigue.)  This information is of importance for feeding accurate data into current numerical models on one side, and also testing these models aiming to predict the solidification profile and related microstructure formation in the alloy samples. This concerns structural steels, magnetic materials, intermetallic materials, glass forming metallic alloys, etc.

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Operations

Operational Requirements and Protocols

The EML is used, consisting of: Experiment Module, Experiment Control Electronics and High-Speed Camera Operating System, Levitation Power Supply and Water Cooling Module, Gas Supply Module, and Sample Chamber.
 
After container installation by crew, all activities are fully commanded by the ground. Sample processing is executed during the crew sleep period, with continuous Ku and S band communications coverage so that micro-g-level and vibrations are known.
 
One run per sample is carried out, with 25 melting cycles.
 
The number of cycles is needed to analyze both solidification during the chill cooling process and solidification of the undercooled melt during free cooling. Dendrite growth velocities of the γ-Fe phase upon spontaneous nucleation is measured at different undercoolings. At least 2 cycles shall be allocated for chill cooling. If the first chill cooling experiment is successful, the sample is to be returned to Earth for microstructural analysis. Otherwise, the experiment will be repeated.  
 
Two out of 23 samples in the Sample Container used for experiment:
  1. FeC0.9Si0.2 (ID#20) (Sample sharing with THERMOLAB project)
  2. FeC0.05Si0.2 (ID#5) (Sample sharing with THEMROLAB project).

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Decadal Survey Recommendations

Information Pending

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Results/More Information

Information Pending

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Related Websites
ESA's Erasmus Experiment Archive

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Imagery