| About this Abstract |
| Meeting |
MS&T21: Materials Science & Technology
|
| Symposium
|
Emergent Materials under Extremes and Decisive In Situ Characterizations
|
| Presentation Title |
Now On-Demand Only - Proton Irradiation Effects in Additively Manufactured 316L Stainless Steels |
| Author(s) |
Cheng Sun, Michael D McMurtrey |
| On-Site Speaker (Planned) |
Cheng Sun |
| Abstract Scope |
Development of advanced nuclear structural materials that can withstand nuclear reactor environments is essential for the license extension of current nuclear reactors and the design of advanced reactors. Additive manufacturing (AM) could significantly reduce the time and cost required for the deployment of nuclear core components. Fundamental understanding of irradiation damage in additively manufactured materials enables the design of novel irradiation tolerant materials and the optimization of manufacturing process. In this presentation, we report proton irradiation-induced microstructural damage and irradiation-assisted stress corrosion cracking (IASCC) in 316L stainless steels (SSs) fabricated with direct energy deposition (DED), a laser-based AM process. Our studies show that the DED fabricated 316L SS exhibits stronger void-swelling resistance and reduced IASCC susceptibility compared to its wrought counterpart. The design of microstructure using AM process opens up new avenues for the development of irradiation and corrosion tolerant materials. |