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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing Modeling, Simulation and Artificial Intelligence
Presentation Title Residual Stress Evolution in a Nickel-Aluminum Bronze Wire-Arc Additive Manufacturing Build
Author(s) Matthew J. Dantin
On-Site Speaker (Planned) Matthew J. Dantin
Abstract Scope Nickel-aluminum bronze (NAB) alloys are commonly used for marine applications such as propellers, and recent interest has shifted to the potential of replacing conventionally casted NAB processes with large scale wire arc additive manufacturing (WAAM) processes. However, residual stresses and part-level distortion in as-built parts can contribute to build failures and reduced performance in components produced by additive manufacturing (AM), which hinders part qualification and certification due to reduced performance. Implementation of a constant interpass temperature and/or preheat temperature during the build can serve as a mitigating technique to reduce distortion and residual stresses. This study focuses on analyzing how differing interpass or preheat temperatures can influence the as-built residual stresses in an NAB part. The contour method was used to quantify the amount of residual stress in the part. The results will be compared to modeling results using commercial AM simulation tools.
Proceedings Inclusion? Planned:
Keywords ICME, Computational Materials Science & Engineering, Modeling and Simulation

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