About: Real-Time Defect Correction in Large-Scale Polymer Additive Manufacturing via Thermal Imaging and Laser Profilometer

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Real-Time Defect Correction in Large-Scale Polymer Additive Manufacturing via Thermal Imaging and Laser Profilometer
Creator	Borish, Michael Chesser, Phillip Love, Lonnie Post, Brian Roschli, Alex
source	Elsevier
abstract	Abstract Defects can result in a failed part and are costly in terms of time and material. This cost is even greater in the context of large-scale additive manufacturing where the objects can be very large. As a result, a great deal of research has focused on defect identification and mitigation. To address defects during object construction, researchers at Oak Ridge National Laboratory’s Manufacturing Demonstration Facility investigated an in-situ control system comprised of two sensors: a thermal camera and laser profilometer. This control system adjusted material flow and build speed to mitigate three types of defects: low layer times, underfill, and overfill. Several test objects were constructed. The control system was found to adjust build parameters to handle low layer times of approximately 15 seconds and height deviations from -100% underfill (the absence of a layer) to 50% overfill. Within two layers, height deviations could be returned to within 10% of the expected layer height. Further, preliminary results suggest the system can compensate for uneven build surfaces.
has issue date	2020-12-31(xsd:dateTime)
bibo:doi	10.1016/j.promfg.2020.05.091
has license	els-covid
sha1sum (hex)	8ac5ec9584a32482417d06f81eb6095a8099e15c
schema:url	https://doi.org/10.1016/j.promfg.2020.05.091
resource representing a document's title	Real-Time Defect Correction in Large-Scale Polymer Additive Manufacturing via Thermal Imaging and Laser Profilometer
schema:publication	Procedia Manufacturing
resource representing a document's body	covid:8ac5ec9584a32482417d06f81eb6095a8099e15c#body_text
is schema:about of	named entity 'failed' named entity 'Within' named entity 'result' named entity 'identification' named entity 'terms' »more»

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