Abstract
In this work, we report on several possible approaches to the measurements of fused deposition modelling (FDM) sintering shrinkage rates (SSR) from X-ray computed tomography (XCT) data. Metallic parts were produced using FDM technology which relies on an isotropic scaling factor applied to the STL model of the part to be produced to compensate for the shrinkage happening during the sintering of the printed part. We report on whether the shrinkage is isotropic and discuss 4 different approaches to perform the shrinkage measurements based on XCT datasets.
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