Active Mixing of Disparate Inks for Multimaterial 3D Printing
Abstract
3D printing of multimaterial parts relies upon efficient mixing of the ink components and a rapid response to composition changes. However, at low Reynolds numbers and large Peclet numbers, mixing disparate viscosity and density inks poses a challenge. In this study, the performance of active micromixers for disparate non-Newtonian inks is evaluated using both experiments and computational fluid dynamics simulations. The mixing efficiencies are compared with scaling relationships for active micromixers. Using detailed simulation results, multiple factors are identified that can impact the micromixer response time during a composition change. Finally, an active micromixer is proposed and evaluated to efficiently mix arbitrary multimaterial ink compositions and produce fine composition gradients within printed parts.
- Authors:
-
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Oklahoma State Univ., Tulsa, OK (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1608530
- Alternate Identifier(s):
- OSTI ID: 1506736
- Report Number(s):
- LLNL-JRNL-761112
Journal ID: ISSN 2365-709X; 950167
- Grant/Contract Number:
- AC52-07NA27344; AC52‐07NA27344; LLNL‐JRNL‐761112.
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Advanced Materials Technologies
- Additional Journal Information:
- Journal Volume: 4; Journal Issue: 7; Journal ID: ISSN 2365-709X
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 3D printing; computational fluid dynamics; direct-ink-write; micromixing; multimaterial
Citation Formats
Ortega, Jason M., Golobic, Melody, Sain, John D., Lenhardt, Jeremy M., Wu, Amanda S., Fisher, Scott E., Perez Perez, Lemuel X., Jaycox, Adam W., Smay, James E., Duoss, Eric B., and Wilson, Thomas S. Active Mixing of Disparate Inks for Multimaterial 3D Printing. United States: N. p., 2019.
Web. doi:10.1002/admt.201800717.
Ortega, Jason M., Golobic, Melody, Sain, John D., Lenhardt, Jeremy M., Wu, Amanda S., Fisher, Scott E., Perez Perez, Lemuel X., Jaycox, Adam W., Smay, James E., Duoss, Eric B., & Wilson, Thomas S. Active Mixing of Disparate Inks for Multimaterial 3D Printing. United States. https://doi.org/10.1002/admt.201800717
Ortega, Jason M., Golobic, Melody, Sain, John D., Lenhardt, Jeremy M., Wu, Amanda S., Fisher, Scott E., Perez Perez, Lemuel X., Jaycox, Adam W., Smay, James E., Duoss, Eric B., and Wilson, Thomas S. Fri .
"Active Mixing of Disparate Inks for Multimaterial 3D Printing". United States. https://doi.org/10.1002/admt.201800717. https://www.osti.gov/servlets/purl/1608530.
@article{osti_1608530,
title = {Active Mixing of Disparate Inks for Multimaterial 3D Printing},
author = {Ortega, Jason M. and Golobic, Melody and Sain, John D. and Lenhardt, Jeremy M. and Wu, Amanda S. and Fisher, Scott E. and Perez Perez, Lemuel X. and Jaycox, Adam W. and Smay, James E. and Duoss, Eric B. and Wilson, Thomas S.},
abstractNote = {3D printing of multimaterial parts relies upon efficient mixing of the ink components and a rapid response to composition changes. However, at low Reynolds numbers and large Peclet numbers, mixing disparate viscosity and density inks poses a challenge. In this study, the performance of active micromixers for disparate non-Newtonian inks is evaluated using both experiments and computational fluid dynamics simulations. The mixing efficiencies are compared with scaling relationships for active micromixers. Using detailed simulation results, multiple factors are identified that can impact the micromixer response time during a composition change. Finally, an active micromixer is proposed and evaluated to efficiently mix arbitrary multimaterial ink compositions and produce fine composition gradients within printed parts.},
doi = {10.1002/admt.201800717},
journal = {Advanced Materials Technologies},
number = 7,
volume = 4,
place = {United States},
year = {Fri Apr 12 00:00:00 EDT 2019},
month = {Fri Apr 12 00:00:00 EDT 2019}
}
Web of Science
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Works referencing / citing this record:
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