TY - CONF
T1 - Fabrication and quality assessment of thin fins built using metal powder bed fusion additive manufacturing
AU - Dunbar, Alexander J.
AU - Gunderman, Gabrielle J.
AU - Mader, Morgan C.
AU - Reutzel, Edward W.
N1 - Funding Information:
The authors gratefully acknowledge the contributions of Griffin Jones and Corey J. Dickman. This material is based on research sponsored by Air Force Research Laboratory under agreement number FA8650-12-2-7230. The U.S. Government is authorized to reproduce and distribute reprints for Governmental purposes notwithstanding any copyright notation thereon. Any opinions, findings and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the Air Force Research Laboratory or the U.S. Government.
Publisher Copyright:
Copyright © SFF 2017.All rights reserved.
PY - 2020
Y1 - 2020
N2 - Powder bed fusion additive manufacturing (PBFAM) is well suited for the fabrication of metallic components with thin features that would be otherwise impractical using other manufacturing methods. As component designs begin to take full advantage of the capabilities of additive manufacturing, so must the capability of measurement techniques used in assessment of quality increase. The characterization of quality may be application specific, requiring different metrics for different uses, e.g. impact on thermal vs. mechanical considerations. Here, thin fins are built with a wide range of processing conditions to test the limits of thin, metallic components using PBFAM. These thin fins are inspected using novel computed tomography (CT) based measurement techniques to assess their build quality. Within the process parameters tested, fins were successfully built thinner than manufacturer-recommended minimum wall thickness using default process parameters. The quality of these fins was assessed utilizing post-build non-destructive evaluation techniques developed herein.
AB - Powder bed fusion additive manufacturing (PBFAM) is well suited for the fabrication of metallic components with thin features that would be otherwise impractical using other manufacturing methods. As component designs begin to take full advantage of the capabilities of additive manufacturing, so must the capability of measurement techniques used in assessment of quality increase. The characterization of quality may be application specific, requiring different metrics for different uses, e.g. impact on thermal vs. mechanical considerations. Here, thin fins are built with a wide range of processing conditions to test the limits of thin, metallic components using PBFAM. These thin fins are inspected using novel computed tomography (CT) based measurement techniques to assess their build quality. Within the process parameters tested, fins were successfully built thinner than manufacturer-recommended minimum wall thickness using default process parameters. The quality of these fins was assessed utilizing post-build non-destructive evaluation techniques developed herein.
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M3 - Paper
AN - SCOPUS:85076579261
SP - 2650
EP - 2663
T2 - 28th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2017
Y2 - 7 August 2017 through 9 August 2017
ER -