Praniewicz, M.
, Fox, J.
and Tarr, J.
(2023),
Part Deflection Measurements of AM‑Bench IN718 3D Build Artifacts, Integrating Materials and Manufacturing Innovation, [online], https://doi.org/10.1007/s40192-023-00310-w, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=936565
(Accessed November 23, 2024)
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Part Deflection Measurements of AM‑Bench IN718 3D Build Artifacts
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Abstract
One of the primary barriers for adoption of additive manufacturing (AM) had been the uncertainty in the performance of AM parts due to residual stresses/strains. The rapid melting and solidification which occurs during AM processes result in high residual stresses/strains that produce significant part distortion. While efforts to mitigate residual stresses, such as post-process heat treatment, can reduce these effects, they nullify the benefits of the as-built component microstructure. Therefore, the ability to predict as-built component residual stresses and component deflection is crucial. AM-Bench seeks to provide modelers with high-fidelity data in well-characterized AM components to aid in model development and calibration. The measurements reported here are part of the 3D builds of nickel-based superalloy IN718 test objects for the CHAL-AMB2022-01-PD modeling challenges. The part deflection measurements were performed using a coordinate measurement machine after the part was partially separated from the build plate.Citation
Integrating Materials and Manufacturing Innovation
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Created October 6, 2023