|About this Abstract
||2021 TMS Annual Meeting & Exhibition
||Thermal Property Characterization, Modeling, and Theory in Extreme Environments
||Thermal Analysis of Oxygen-doped Refractory High Entropy Alloys (RHEA)
||Koray Iroc, Eda Aydogan, Eren Yunus Kalay
|On-Site Speaker (Planned)
High Entropy Alloys (HEA) are trending structural materials with unusual structures, which leads them to have superior properties. Outstanding mechanical, corrosive and thermal properties make them one of the best candidates for refractory applications. But low room temperature ductility is restraining the advancements in this area. It is recently revealed that little amount of oxygen (2 at%) is increasing the strength and ductility simultaneously. Designed composition Ti25Zr35Hf5Nb20Ta15 shows yields strength around 1200 MPa and ductility above 50%. But there is not an extensive study on thermal properties of these HEAs. In this study, thermal properties of oxygen-doped RHEAs have been investigated. Relationship between microstructure and thermal properties are conducted by ThermoCalc software, in-situ TEM and in-situ XRD techniques.
||High-Entropy Alloys, Environmental Effects, Characterization