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Meeting MS&T25: Materials Science & Technology
Symposium Additive Manufacturing: Enhancement and Synergy with Traditional Methods
Presentation Title Additive Manufacturing to Accelerate Forging Operations: Inconel 718 and 316L Stainless Steel
Author(s) Henry D. Young, Showmik Ahsan, Sambhaji Kusekar, Raghavan Srinivasan, Ahsan Mian, Bishal Silwal, Hossein Taheri, Yashwanth Bandari, Prabir Chaudhury, Tushar Borkar
On-Site Speaker (Planned) Tushar Borkar
Abstract Scope Many load-bearing aerospace components are manufactured by forging. However, high performance requirements and small-scale production present challenges to the industry, resulting in high costs and long lead times. A promising hybrid approach combines metal additive manufacturing with traditional forging operations to eliminate many forging steps and accelerate production. We fabricated Inconel 718 and 316L stainless steel parts by laser powder bed fusion and wire-arc additive manufacturing methods and studied their hot forging behavior. We observed significant heterogeneity in grain morphology, mechanical response, and defect distribution within the as-built materials. Materials’ response to hot forging conditions included complex, strain-rate-dependent deformation and recrystallization. These characteristics play a crucial role in shaping material response to downstream processing and performance. These findings contribute to a deeper understanding of process-structure-property relationships, enabling the refinement of post-processing strategies to enhance component performance and ensure structural reliability in service.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing Evaporative Casting (AMEC) for Tooling and Nickel Alloys
Additive Manufacturing to Accelerate Forging Operations: Inconel 718 and 316L Stainless Steel
Characterization of Additively Manufactured AF9628 Steel Parts Produced Via Metal Fused Filament Fabrication
Design of Additively Manufactured Preforms for Hot Forging.
Electrodeposition of Nickel for Load Carrying Applications
Epitaxial Solidification and Cracking Behavior of CMSX-4 Welds: Assessing Additive Manufacturing Integrity
Mechanical Properties of Dissimilar Welds Between LPBFed and Wrought 17-4PH Stainless Steels: Role of LPBFed 17-4PH STS Precipitation Characteristics
SolidStir® Additive Manufacturing Using Conventional Machine Tools and Low-Cost Feedstock

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