| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Solid-State Diffusion Bonding of Metals and Alloys
|
| Presentation Title |
Solid-state diffusion as a tool for alloy design optimization |
| Author(s) |
Joao Henrique Schiavon Mota, Nelson Delfino de Campos Neto, Francisco Gil Coury |
| On-Site Speaker (Planned) |
Joao Henrique Schiavon Mota |
| Abstract Scope |
One of the biggest challenges designing high-entropy alloys (HEAs) is the enormous compositional range available. Beyond the solid solution range, studies of HEAs with multiple phases have been highlighted nowadays and front the same challenge. The bonding of alloys and the diffusion in solid states shows themselves as powerful tools in this task. Diffusional couples allow the creation of a compositional gradient, leading to a unique sample with multiple compositions, one containing different properties that can be analyzed with high-throughput techniques, such as nanoindentation and x-ray diffraction. This work presents the compositional gradients between two single phase HEAs Co40Cr40Ni20 and Al2.5Co15Cr15Nb2.5Ni60Ti5, obtained through the techniques of hot roll bonding and press bonding. After aging the resultant gradient, the characterization showed the formation of a FCC solid solution and regions containing the phases gamma-prime and gamma double-prime within the FCC matrix. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
High-Entropy Alloys, Copper / Nickel / Cobalt, Characterization |