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Meeting MS&T23: Materials Science & Technology
Symposium Recent Developments in Light-Weight Composites and Materials
Presentation Title Development of Eutectic Aluminum Alloys for High Temperature Applications
Author(s) Opemipo Adetan, Obidimma Ikeh, Aman Kshirsagar, Dinc Erdeniz
On-Site Speaker (Planned) Dinc Erdeniz
Abstract Scope Eutectic aluminum alloys, based on the Al-Ce and Al-Co binary systems, have been developed to provide alternative materials for elevated temperature applications, aiming to replace heavier steels and more expensive titanium alloys. These alloys are further strengthened with L12-ordered precipitates, containing Er, Sc, and Zr, which provide a high level of mechanical strength and microstructural stability. In this study, we aim to investigate the effects of long-term heat treatments and evaluate their resulting mechanical properties. The microstructure of the alloys was analyzed using various techniques, including electron microscopy and X-ray diffraction. The mechanical properties were evaluated using tensile and hardness tests. The results showed that these alloys provide good microstructural stability and maintained their mechanical properties after long-term heat treatments, suggesting that they have potential for use in applications at elevated temperatures, particularly in the aerospace and automotive industries.


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Selection and Future Directions of Conventional High-temperature Titanium Alloys for Aeroengines Applying Decision-science Methods
Strengthening Mechanisms of Ultrasonically Refined A356 (Al-Si-Mg) Aluminum Alloy
Thermal Expansion of Al-Ca Deformation Processed Metal-metal Composites
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