| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing Materials in Energy Environments II
|
| Presentation Title |
Development and Additive Manufacturing of Oxide Dispersion Strengthened IN625 ALLOY for Gen. IV Nuclear Reactors |
| Author(s) |
Kadir Tugrul Demirci, Eda Aydogan, Selen Nimet Gurbuz Guner, Erhan Aksu, Ilhan Bukulmez |
| On-Site Speaker (Planned) |
Kadir Tugrul Demirci |
| Abstract Scope |
High service temperatures of small modular reactors (SMRs) and Gen. IV molten salt reactors (MSRs) remain to be a significant design challenge due to the limitations in materials. In this study, a new grade of oxide dispersion strengthened (ODS) Inconel 625 (IN625) was developed. The powders were mixed using various ball milling parameters. The designed alloy was produced by Selective Laser Melting (SLM) with optimized process parameters. Proper heat treatment routes were determined for optimal amount and distribution of nano-oxides and strengthening γ’’ phases. To understand the effect of additive manufacturing and existence of nano-oxides, both wrought and additively manufactured IN625 were subjected to the same heat treatment routes. Comprehensive microstructural analyses as well as mechanical tests at RT and 700 °C were conducted comparatively. It has been demonstrated that the AM produced ODS IN625 shows better mechanical properties. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Mechanical Properties, Characterization |