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Porosity Formation and Meltpool Geometry Analysis Using High-speed, in situ Imaging of Directed Energy Deposition

Published online by Cambridge University Press:  05 August 2019

Samantha Webster ,
Sarah Wolff ,
Jennifer Bennett ,
Tao Sun ,
Jian Cao  and
Kornel Ehmann
Samantha Webster*
Affiliation:
Mechanical Engineering, Northwestern University, Evanston, IL, USA.
Sarah Wolff
Affiliation:
Applied Materials Division, Argonne National Laboratory, Lemont, IL, USA.
Jennifer Bennett
Affiliation:
Mechanical Engineering, Northwestern University, Evanston, IL, USA.
Tao Sun
Affiliation:
X-ray Science Division, Argonne National Laboratory, Lemont, IL, USA.
Jian Cao
Affiliation:
Mechanical Engineering, Northwestern University, Evanston, IL, USA.
Kornel Ehmann
Affiliation:
Mechanical Engineering, Northwestern University, Evanston, IL, USA.
*
*Corresponding author: samanthawebster2021@u.northwestern.edu

Abstract

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Type
Advanced Characterization of Components Fabricated by Additive Manufacturing
Information
Microscopy and Microanalysis , Volume 25 , Supplement S2 , August 2019 , pp. 2556 - 2557
Copyright
Copyright © Microscopy Society of America 2019 

References

[1]Debroy, T, Wei, L and Zuback, JS, Progress in Materials Science 92 (2018), p. 112.Google Scholar
[2]Wolff, S, Lin, S and Faierson, EJ, Acta Materialia 132 (2017) p. 106.Google Scholar
[3]Wolff, S, Wu, H and Parab, ND, Scientific Reports 9 (2019), p. 962.Google Scholar
[4]Parab, ND, Zhao, C and Cunningham, R, Journal of Synchrotron Radiation 25 (2018), p. 1467.Google Scholar
[5]Ly, S et al. , Scientific Reports 7 (2017), p. 4085.Google Scholar
[6]The author acknowledges Niranjan Prab for his help at the APS beamline, and Yi Shi, Nicolas Prieto, Haiguang Liao, David Pritchet, Yanjie Yuan, and Marco Giovanni for their work on the set-up.Google Scholar