Page 68 - MSAM-3-1

Materials Science in Additive Manufacturing Customized scans and dwell time on AM 316L

single-phase γ-austenitic FCC phase without any δ-ferrite Further disclosure
phase. A more uniform microstructure was observed with
a bidirectional scan pattern and an increase in interlayer A part of this research work was presented at the
International Conference of Advanced Manufacturing
dwell time. Internal defect analysis using computed (ICAM), 2023, ASTM, Washington D.C.
tomography revealed a slightly higher lack-of-fusion
porosity in specimens prepared with bidirectional scan References
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Acknowledgments manufacturing. Int Mater Rev. 2016;61(5):315-360.
doi: 10.1080/09506608.2015.1116649
The authors would like to acknowledge the University of
Houston Division of Research High Priority Area Research 4. Zhai X, Jin L, Jiang J. A survey of additive manufacturing
reviews. Mater Sci Addit Manuf. 2022;1(4):21.
Large Equipment Grant I0503304 for establishing a state-
of-the-art 2D-XRD facility used in this study. doi: 10.18063/msam.v1i4.21
5. Turgut B, Gürol U, Onler R. Effect of interlayer dwell time
Funding on output quality in wire arc additive manufacturing of low
This research received no specific grant from any funding carbon low alloy steel components. Int J Adv Manuf Technol.
agency. 2023;126(11-12):5277-5288.
doi: 10.1007/s00170-023-11481-3
Conflict of interest
6. D’Andrea D. Additive manufacturing of AISI 316L stainless
The authors declare that they have no known competing steel: A review. Metals (Basel). 2023;13(8):1370.
financial interests or personal relationships that could have doi: 10.3390/met13081370
appeared to influence the work reported in this paper.
7. Thompson SM, Bian L, Shamsaei N, Yadollahi A. An overview
Author contributions of direct laser deposition for additive manufacturing; Part I:
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Conceptualization: Puskar Pathak Manuf. 2015;8:36-62.
Data curation: Puskar Pathak, Goran Majkic doi: 10.1016/j.addma.2015.07.001
Methodology: Puskar Pathak
Supervision: Venkat Selvamanickam 8. Balhara H, Botcha B, Wolff SJ, Bukkapatnam STS. Ripple
formations determine the heterogeneous microstructure
Writing – original draft: Puskar Pathak of directed energy deposition (DED)-printed 316L
Writing – review & editing: Goran Majkic, Venkat components. Mater Des. 2023;227:2023.
Selvamanickam
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Ethics approval and consent to participate 9. Izadi M, Farzaneh A, Mohammed M, Gibson I, Rolfe B.
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Not applicable.
10. Pathak P, Majkic G, Erickson T, Chen T, Selvamanickam V.
Availability of data Two-dimensional X-ray diffraction (2D-XRD) and micro-
computed tomography (micro-CT) characterization of
Data are available from the corresponding author upon additively manufactured 316L stainless steel. Available at
reasonable request. SSRN 4529173 (2023).

Volume 3 Issue 1 (2024) 9 https://doi.org/10.36922/msam.2676