Transactions on Additive Manufacturing Meets Medicine
Vol 1 No 1 (2019): Trans. AMMM
https://doi.org/10.18416/AMMM.2019.1909S03P18

Material Properties, Structural Designs, and Printing Technologies

Assessment of Metallic FDM samples using x-ray diffraction

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Kevin Aroom (Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park Maryland, USA), Peter Y Zavalij (Department of Chemistry and Biochemistry, University of Maryland, College Park Maryland, USA), Huapeng Huang (Advanced Analyzer Labs, Inc., USA), Lex Schultheis (Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park Maryland, USA and Center for Excellence in Regulatory Science and Innovation, University of Maryland, College Park Maryland, USA)

Abstract

X-Ray Diffraction (XRD) characteristics were observed in additively manufactured metallic samples. Sample ‘coupons’ were printed with fused deposition modeling (FDM) systems. The coupons underwent post-processing steps to purge the polymer binder and sinter remaining metal. XRD analysis was performed to measure the crystallographic nature of printed samples at several stages of fabrication. A determination of grain/crystalite size can also be performed on sintered parts using XRD. 

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