Quantifying particle segregation in sequential layers fabricated by additive manufacturing

Suspensions are used in Ceramic Stereolithography11Ceramic Stereolithography (CerSLA). (CerSLA) and other material processing methods. We applied Fast Fourier Transforms22Fast Fourier Transforms (FFTs). (FFTs) in a novel way to signals generated from ceramic processing methods to address flaws resul...

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Bibliographic Details
Published inJournal of the European Ceramic Society Vol. 38; no. 11; pp. 4082 - 4088
Main Authors Bae, Chang-Jun, Ramachandran, Arathi, Halloran, John W.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.09.2018
Subjects
Additive manufacturing
Ceramic stereolithography
Fast Fourier Transforms
Quantification
Sedimentation
Fast Fourier Transforms
Additive manufacturing
Quantification
Ceramic stereolithography
Sedimentation
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Summary:Suspensions are used in Ceramic Stereolithography11Ceramic Stereolithography (CerSLA). (CerSLA) and other material processing methods. We applied Fast Fourier Transforms22Fast Fourier Transforms (FFTs). (FFTs) in a novel way to signals generated from ceramic processing methods to address flaws resulting from sedimentation. We compared our analysis with traditional measures of sedimentation to show that this novel quantification of sedimentation is able to distinguish finer, subtler patterns of sedimentation. The explanation and application of FFTs and signal processing provided in this article enables the reader to use FFTs and signal processing in a broader way to further optimise and quantify materials processing methods.
ISSN:0955-2219
1873-619X
DOI:10.1016/j.jeurceramsoc.2018.02.008