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Title: Tensile properties of 3D-printed wood-filled PLA materials using poplar trees

Abstract

Fabrication of renewable materials through additive manufacturing using wood-filled polylactic acid (PLA) is an emerging field of study. The variability in the tensile properties of 3D-printed materials due to the variability in woody biomass properties has not been studied. Biomass size reduction, filament extrusion, and 3D-printing methods were investigated to determine the conditions that resulted in consistent printing. Using 20% ball-milled poplar reinforcement in PLA, 210 °C filament extrusion temperature and 230 °C printing temperature were found to be the best conditions. Subsequently, seventy poplar samples from a common garden were used to test the tensile properties of the printed materials. The median tensile strength at yield was 50 MPa, with 5–95 percentiles ranged in 37–54 MPa. Strain% at break had a median value of 2.1%, and 5–95 percentiles were 1.7–2.7%. The median Young's modulus was 3.65 GPa, and 5–95 percentiles ranged in 2.9–4.1 GPa. Biomass density was correlated to composite density. Median particle size of ball-milled poplar was negatively correlated with tensile strength. Composite density affected tensile strength of the composite. β-glycosidic bond of polysaccharides in biomass affected Young's modulus of the composite. Overall, these data show that genotypic variation among Populus trichocarpa have substantial effect on tensile propertiesmore » of 3D printed PLA-poplar materials.« less

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1];  [1];  [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Manufacturing Demonstration Facility (MDF)
  3. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Joint Institute for Computational Sciences (JIBS); Univ. of Tennessee, Knoxville, TN (United States). Center for Renewable Carbon
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1675042
Alternate Identifier(s):
OSTI ID: 1781451
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Applied Materials Today
Additional Journal Information:
Journal Volume: 21; Journal ID: ISSN 2352-9407
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Renewable materials; 3D printing; additive manufacturing; wood; poplar; polylactic acid

Citation Formats

Bhagia, Samarthya, Lowden, Richard R., Erdman, Donald, Rodriguez, Miguel, Haga, Bethany A., Solano, Ines M., Gallego, Nidia C., Pu, Yunqiao, Muchero, Wellington, Kunc, Vlastimil, and Ragauskas, Arthur J.. Tensile properties of 3D-printed wood-filled PLA materials using poplar trees. United States: N. p., 2020. Web. https://doi.org/10.1016/j.apmt.2020.100832.
Bhagia, Samarthya, Lowden, Richard R., Erdman, Donald, Rodriguez, Miguel, Haga, Bethany A., Solano, Ines M., Gallego, Nidia C., Pu, Yunqiao, Muchero, Wellington, Kunc, Vlastimil, & Ragauskas, Arthur J.. Tensile properties of 3D-printed wood-filled PLA materials using poplar trees. United States. https://doi.org/10.1016/j.apmt.2020.100832
Bhagia, Samarthya, Lowden, Richard R., Erdman, Donald, Rodriguez, Miguel, Haga, Bethany A., Solano, Ines M., Gallego, Nidia C., Pu, Yunqiao, Muchero, Wellington, Kunc, Vlastimil, and Ragauskas, Arthur J.. Thu . "Tensile properties of 3D-printed wood-filled PLA materials using poplar trees". United States. https://doi.org/10.1016/j.apmt.2020.100832. https://www.osti.gov/servlets/purl/1675042.
@article{osti_1675042,
title = {Tensile properties of 3D-printed wood-filled PLA materials using poplar trees},
author = {Bhagia, Samarthya and Lowden, Richard R. and Erdman, Donald and Rodriguez, Miguel and Haga, Bethany A. and Solano, Ines M. and Gallego, Nidia C. and Pu, Yunqiao and Muchero, Wellington and Kunc, Vlastimil and Ragauskas, Arthur J.},
abstractNote = {Fabrication of renewable materials through additive manufacturing using wood-filled polylactic acid (PLA) is an emerging field of study. The variability in the tensile properties of 3D-printed materials due to the variability in woody biomass properties has not been studied. Biomass size reduction, filament extrusion, and 3D-printing methods were investigated to determine the conditions that resulted in consistent printing. Using 20% ball-milled poplar reinforcement in PLA, 210 °C filament extrusion temperature and 230 °C printing temperature were found to be the best conditions. Subsequently, seventy poplar samples from a common garden were used to test the tensile properties of the printed materials. The median tensile strength at yield was 50 MPa, with 5–95 percentiles ranged in 37–54 MPa. Strain% at break had a median value of 2.1%, and 5–95 percentiles were 1.7–2.7%. The median Young's modulus was 3.65 GPa, and 5–95 percentiles ranged in 2.9–4.1 GPa. Biomass density was correlated to composite density. Median particle size of ball-milled poplar was negatively correlated with tensile strength. Composite density affected tensile strength of the composite. β-glycosidic bond of polysaccharides in biomass affected Young's modulus of the composite. Overall, these data show that genotypic variation among Populus trichocarpa have substantial effect on tensile properties of 3D printed PLA-poplar materials.},
doi = {10.1016/j.apmt.2020.100832},
journal = {Applied Materials Today},
number = ,
volume = 21,
place = {United States},
year = {2020},
month = {10}
}

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