About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
|
Symposium
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Additive Manufacturing of Refractory Metallic Materials
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Presentation Title |
Integrated Computational Material Engineering Approach in Additive Manufacturing of Ti/Zr/Mo/Al Light Weight Refractory Complex Concentrated Alloy |
Author(s) |
Jitesh Kumar, Shashank Sharma, Sameehan S Joshi, Mani Krishna Karri, Rajarshi Banerjee, Narendra B Dahotre |
On-Site Speaker (Planned) |
Jitesh Kumar |
Abstract Scope |
Refractory complex concentrated alloys (RCCAs), which are mostly composed of refractory metals, have the potential to be used in high temperature applications. However, low specific strength, combined with the high manufacturing cost of post processing, limits their applicability. The compositional screening of suitable alloys is challenging due to the vast compositional space of complex concentrated alloys (CCAs). In this study, ICME framework consisting of detailed CALPHAD modeling has been adopted to design Ti/Zr/Mo/Al CCAs. The CALPHAD reveals that Ti/Zr/Mo/Al exhibit the single phase BCC structure over the wide temperature range (1130-1930 K). The low concentration of high density Mo (ρMo = 10.6 g/cc) and high concentration of medium density Ti (ρAl = 4.54 g/cc) along with low density Al (ρAl = 2.702 g/cc) makes them light weight RCCA. A CALPHAD integrated Finite Element thermokinetic model has been utilized to study the phase evolution during Additive Manufacturing of RCCAs. |
Proceedings Inclusion? |
Planned: |
Keywords |
Additive Manufacturing, High-Entropy Alloys, ICME |