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Meeting Materials Science & Technology 2020
Symposium Additive Manufacturing: Qualification and Certification
Presentation Title Simulation of the Effect of Texture on Anisotropy in SLM-Produced IN718 Microstructures
Author(s) Wesley A. Tayon, Saikumar Yeratapally, Joseph Pauza, Anthony Rollett, Jacob Hochhalter
On-Site Speaker (Planned) Wesley A. Tayon
Abstract Scope As the aerospace community seeks to use additively manufactured components, it is crucial to understand the role crystallographic texture has on part performance. Strong textures are associated with highly anisotropic material response. Often, thermal processing conditions in additive manufacturing lead to highly elongated grains with a dominant texture. Selective laser melting (SLM) is perhaps one of the most common metal additive manufacturing methods capable of producing lower cost, complex part designs. The SLM process offers the capability to 3D print nickel-based superalloys for applications such as high-temperature engine components. In this study, a kinetic Monte-Carlo grain growth and texture simulation code (SPPARKS), was used to simulate Inconel (IN) alloy 718 microstructures across several SLM build conditions. The synthetic IN718 microstructures were input into both crystal plasticity finite element and fast Fourier transform models to assess the impact of texture and grain morphology on anisotropy at the grain scale.
Proceedings Inclusion? Undecided


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Physics-based Qualification for Laser Powder Bed Fusion AM
Pore Formation in Laser Powder Bed Fusion Inconel 718 through Multiphysics Modeling
Post-build Heat Treatment of Wire-arc Additive Manufactured 410 SS for Hardness Tuning
Recyclability of Ti-6Al-4V Powders Used in Additive Manufacturing
Reducing Anisotropic Deformation of LPBF Inconel 718 for Applications in Extreme Conditions
Reducing Heat Buildup and Regularizing Melt Pool Dimensions in Laser Powder Bed Fusion through a “Powder Moat” Scan Strategy
Similarity Analysis and Clustering of Thermal History to Understand Process-structure Relationships
Simulation of the Effect of Texture on Anisotropy in SLM-Produced IN718 Microstructures
The Effects of Powder Particle Size Distribution on the Powder and Part Performance of Laser Powder Bed Fusion 17-4 PH Stainless Steel
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