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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium In-Situ Monitoring and Control of Solidification & Deformation Processes in Metal Additive Manufacturing
Presentation Title Effects of Forging on Microstructural and Mechanical Properties of AISI 316LSi Fabricated via Wire Arc Additive Manufacturing (WAAM)
Author(s) Vishnu Ramasamy, Brett Ley, Brian Thurston, Glenn Daehn, Bradley Jared, John J. Lewandowski
On-Site Speaker (Planned) John J. Lewandowski
Abstract Scope This work investigates the effects of forging on the microstructure and mechanical properties of AISI 316LSi produced via Wire Arc Additive Manufacturing (WAAM). Two approaches were studied: (1) thick-walled 316LSi deposits fabricated by WAAM followed by (cold or hot) forging on the extracted samples, and (2) sequential forging applied during the WAAM deposition process. For both approaches, the influence of forging parameters on microstructure, ferrite content, and mechanical properties across different building orientations will be reported.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Iron and Steel, Mechanical Properties

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Closed-Loop Multimodal Standoff Height Control in Directed Energy Deposition
Effects of Forging on Microstructural and Mechanical Properties of AISI 316LSi Fabricated via Wire Arc Additive Manufacturing (WAAM)
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High-Throughput Process–Structure–Property Mapping in LPBF of 316L via In Situ Monitoring and Automated Characterization
In-Situ Monitoring and Closed-Loop Control of Stainless Steel 316L Direct Energy Deposition via Plasma Plume Dynamics
Infrared Imaging and Multiphysics Modeling for Prediction of Solidification Dynamics During Selective Laser Melting
Machine Learning Guided Exploration of Process-Structure-Property Relationships in Metal Additive Manufacturing
Predicting Deposition Height and Properties in Directed Energy Deposition
Processing-Microstructure-Mechanical Behavior Relationships in Ferrous Alloys via Mixed Powder Laser Powder Bed Fusion
Revealing Optimal Melting Regimes for Defect Lean Thin-Walled Aluminium Laser Powder Bed Fusion Builds
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Tailoring Microstructure and Mechanical Properties During Additive Manufacturing of Ti-6Al-4V via In-Process Laser Heat Treatments
Tailoring Phase Transformation and Residual Stress in Wire-DED via Thermal Sensing and Multiphysics Modeling
Tracking Phase Evolution in Additive Manufacturing of Steels via Operando X-Ray Diffraction
Understanding Microstructure Evolution During Processing in Additively Manufactured Functionally Graded Materials
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