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About this Abstract
Meeting 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Symposium 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Presentation Title Evaluation of Wire Arc AM Fabricated 316 L Stainless Steel Post Forging
Author(s) stibitz christin, Bishal Silwal
On-Site Speaker (Planned) stibitz christin
Abstract Scope Wire arc additive manufacturing (WAAM) offers a cost-effective and scalable route for fabricating 316L stainless steel components; however, its as-deposited columnar microstructure and thermal history can strongly influence subsequent deformation behavior. In this study, hot compression testing was performed on WAAM-fabricated 316L stainless steel to evaluate its forgeability and high-temperature flow response. Cylindrical specimens extracted from the WAAM build were compressed at selected temperatures and strain rates representative of hot-working conditions. The results showed that deformation behavior was strongly dependent on temperature and strain rate, with lower flow stress observed at higher temperatures and lower strain rates. Microstructural observations indicated deformation-induced changes in the as-built dendritic structure, including grain distortion, recovery, and possible recrystallization depending on the testing condition. These findings demonstrate that WAAM-fabricated 316L stainless steel has strong potential for hybrid additive-forging routes, where hot deformation can refine the as-deposited microstructure and improve mechanical performance.
Proceedings Inclusion? Undecided

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