About this Abstract |
Meeting |
2020 TMS Annual Meeting & Exhibition
|
Symposium
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Materials Research in Reduced Gravity
|
Presentation Title |
Pattern Formation in Bulk Al-Al2Cu Eutectics: Results from a Recent Microgravity Experiment |
Author(s) |
Ulrike Hecht, Sabine Bottin-Rousseau, Silvère Akamatsu, Melis Şerefoğlu, Victor Witusiewicz |
On-Site Speaker (Planned) |
Ulrike Hecht |
Abstract Scope |
The SETA Project, dedicated to the investigation of pattern formation in bulk eutectics was sucsessfully implemented and performed onboard the International Space Station in the solidification and quench furnace SQF. We shall give an account of the current state of sample analysis and the current state of knowledge about the coupled growth of Al-Al2Cu during (i) the maze-to-lamellar transition, (ii) the steady state growth and (iii) the formation of eutectic cells. The results will be discussed with reference to the energy and anisotropy of phase boundaries between the two solid phases Al and Al2Cu. We will show that pattern and defect evolution strongly depend on the phase boundary anisotropy, which is a characteristic feature of a eutectic grain. |
Proceedings Inclusion? |
Planned: Publication Outside of TMS |