About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing of Refractory Metallic Materials
|
| Presentation Title |
Influence of Spot Melting and TiC Reinforcement on Microstructure in Electron Beam Melted Nb–1Zr Alloys |
| Author(s) |
Emre Tekoglu, Benjamin Labiner, Sourabh Sabtarshi, Christopher Rock, Tim Horn |
| On-Site Speaker (Planned) |
Emre Tekoglu |
| Abstract Scope |
Controlling grain morphology and mechanical performance in refractory alloys remains a key challenge in additive manufacturing for extreme environments. This study investigates a dual strategy combining localized spot melting and nano-scale dispersoid engineering in electron beam melted Nb–1Zr alloys. Spot melting patterns were varied to tailor melt pool geometries and thermal gradients, aiming for site-specific control over grain size and texture. Titanium carbide (TiC) reinforcements were incorporated to examine their role in grain boundary pinning and microstructural stabilization during solidification. Characterization techniques including electron backscatter diffraction (EBSD), scanning electron microscopy (SEM), and mechanical testing were used to assess the effects of processing on microstructure and mechanical response. The combined approach targets enhanced understanding of process–structure–property relationships in Nb-based systems and supports the development of compositionally efficient pathways for tailoring high-performance components in extreme operating conditions. |
| Proceedings Inclusion? |
Planned: |