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Materials Science in Additive Manufacturing Acoustic performances of SC lattices fabricated by DLP

acoustic materials interested in the AM of lattice structures 5. Zieliński TG, Opiela KC, Pawłowski P, et al., 2020,
for sound absorption and insulation applications. Reproducibility of sound-absorbing periodic porous
materials using additive manufacturing technologies:
Acknowledgments Round robin study. Additive Manuf, 36: 101564.

The authors would also like to acknowledge Dr. Wei Zhai, https://doi.org/10.1016/j.addma.2020.101564
Dr. Xinwei Li, and Dr. Xiang Yu for their supervision and 6. Cheng Y, Xu Z, Chen S, et al., 2021, The influence of closed
valuable suggestions on the research work. pore ratio on sound absorption of plant-based polyurethane
foam using control unit model. Appl Acoust, 180: 108083.
Funding
https://doi.org/10.1016/j.apacoust.2021.108083
This research is supported by the NUS R&G Postdoc 7. Doutres O, Atalla N, Dong K, 2011, Effect of the
Fellowship Program (Project No. A-0000065-25-00).
microstructure closed pore content on the acoustic behavior
Conflict of interest of polyurethane foams. J Appl Phys, 110: 064901.
https://doi.org/10.1063/1.3631021
The authors declare that they have no known competing
financial interests or personal relationships that could have 8. Delany ME, Bazley EN, 1970, Acoustical properties of
appeared to influence the work reported in this paper. Any fibrous absorbent materials. Appl Acoust, 3: 105–116.
opinions, findings, and conclusions or recommendations https://doi.org/10.1016/0003-682X(70)90031-9
expressed in this material are those of the author(s) and do 9. Kino N, 2015, Further investigations of empirical
not reflect the views of National University of Singapore improvements to the Johnson-Champoux-Allard model.
(NUS).
Appl Acoust, 96: 153–170.
Author contributions https://doi.org/10.1016/j.apacoust.2015.03.024
Conceptualization: Zhejie Lai, Jun Wei Chua 10. Biot MA, 1956, Theory of propagation of elastic waves in
Investigation: Zhejie Lai, Miao Zhao, Chong Heng Lim a fluid‐saturated porous solid. II. Higher frequency range.
Methodology: Zhejie Lai, Miao Zhao, Chong Heng Lim, J Acoust Soc Am, 28: 179–191.
Jun Wei Chua https://doi.org/10.1121/1.1908241
Resources: Chong Heng Lim 11. Dib L, Bouhedja S, Amrani H, 2015, Mechanical parameters
Supervision: Jun Wei Chua effects on acoustic absorption at polymer foam. Adv Mater
Validation: Zhejie Lai, Jun Wei Chua Sci Eng, 2015: 1–10.
Writing – original draft: Zhejie Lai, Jun Wei Chua
Writing – review & editing: Jun Wei Chua https://doi.org/10.1155/2015/896035
12. Allard JF, Atalla N, 2009, Propagation of Sound in Porous
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