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Olivia Guest

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Experiment-Based Superposition Thermal Modeling of Laser Powder Bed Fusion

Experiment-Based Superposition Thermal Modeling of Laser Powder Bed Fusion — This paper evaluates experiment-based superposition thermal modeling for Laser Powder Bed Fusion (LPBF) with a pulsed laser. An analytical pulsed laser thermal model establishes the modeling procedure. The framework inverts a powder bed’s single pulse temperature response from experimental spatiotemporal Short-Wave Infrared (SWIR) camera data. Superimposing this response along a scan path simulates multi-pulse LPBF. Results show the experimentally informed superposition model rapidly and accurat — Citations: 2.