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Materials Science in Additive Manufacturing Additive manufacturing of NASA HR-1 angled walls

Funding 5. Lu X, Ma Y, Wang D. On the hydrogen embrittlement
behavior of nickel-based alloys: Alloys 718 and 725. Mater
Primary funding was provided by grant number Sci Eng A. 2020;792:139785.
80NSSC23PC201 from the NASA Marshall Space Flight.
doi: 10.1016/j.msea.2020.139785
Conflicts of interest 6. Singh A, Kapil S, Das M. A comprehensive review of the
methods and mechanisms for powder feedstock handling in
The authors declare that they have no financial or personal directed energy deposition. Addit Manuf. 2020;35:101388.
conflicts of interest that could have appeared to influence
the work reported in this paper. doi: 10.1016/j.addma.2020.101388
7. Su J, Ng WL, An J, Yeong WY, Chua CK, Sing SL.
Author’s contributions Achieving sustainability by additive manufacturing:
Conceptualization: Paul Gradl, Colton Katsarelis A state-of-the-art review and perspectives. Virtual Phys
Prototyp. 2024;19(1):e2438899.
Formal analysis: Javier Lares, Paul Gradl, Colton Katsarelis,
Francisco Medina, Edel Arrieta doi: 10.1080/17452759.2024.2438899
Investigation: Javier Lares 8. Ehmsen S, Glatt M, Aurich JC. Influence of process
Methodology: Javier Lares, Edel Arrieta, Francisco Medina parameters on the power consumption of high-speed laser
Supervision: Francisco Medina, Edel Arrieta, Paul Gradl directed energy deposition. Procedia CIRP. 2023;116:89-94.
Writing – original draft: Javier Lares doi: 10.1016/j.procir.2023.02.016
Writing – review and editing: Paul Gradl, Kolton Katsarelis, 9. Svetlizky D, Das M, Zheng B, et al. Directed energy
Edel Arrieta, Francisco Medina, Murr Lawrence
deposition (DED) additive manufacturing: Physical
Ethics approval and consent to participate characteristics, defects, challenges and applications. Mater
Today. 2021;49:271-295.
Not applicable. doi: 10.1016/j.mattod.2021.03.020

Consent for publication 10. Meng G, Gong Y, Zhang J, Jiang Z, Ren Q, Zhao J.
Microstructure and mechanical properties of Inconel 718
Not applicable. thin walls prepared by laser direct energy deposition and
selective laser melting. Thin-Walled Struct. 2023;193:111284.
Availability of data
doi: 10.1016/j.tws.2023.111284
The data that support the findings of this study are available
from the corresponding author on request. 11. Gamon A, Arrieta E, Gradl PR, et al. Microstructure and
hardness comparison of as-built inconel 625 alloy following
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Volume 4 Issue 1 (2025) 10 doi: 10.36922/msam.8069