THE IMPACT OF VISCOSITY ON MATERIAL TRANSITIONS IN LARGE FORMAT ADDITIVE MANUFACTURING OF POLYMER COMPOSITES

James C. Brackett; Elijah P. Charles; Matthew B. Charles; Tyler C. Smith; Vlastimil Kunc; Chad E. Duty

doi:10.33599/nasampe/s.23.0166

THE IMPACT OF VISCOSITY ON MATERIAL TRANSITIONS IN LARGE FORMAT ADDITIVE MANUFACTURING OF POLYMER COMPOSITES

James C. Brackett, Elijah P. Charles, Matthew B. Charles, Tyler C. Smith, Vlastimil Kunc, Chad E. Duty

Manufacturing Science Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The need to produce complex geometries incompatible with traditional manufacturing techniques has fueled rapid growth in Large-Format Additive Manufacturing (LFAM). Printing of polymer composite materials have generated significant interest, but the production of Multi-Material (MM) structures with location-based material properties continues to be a challenge. Extrusion-based techniques have utilized multiple deposition heads to successfully print MM structures with both stiff and flexible regions, but these techniques often result in discrete material boundaries that concentrate stress and act as failure points. To avoid discrete interfaces, a novel dual-hopper configuration was developed for the Big Area Additive Manufacturing (BAAM) system that creates a blended material region within the structure. The ability to blend and freely switch between stiff polymer composites and flexible polymers enables printing of robust MM structures with site-specific properties.

Original language	English
Title of host publication	SAMPE 2023 Conference and Exhibition
Publisher	Soc. for the Advancement of Material and Process Engineering
ISBN (Electronic)	9781934551431
DOIs	https://doi.org/10.33599/nasampe/s.23.0166
State	Published - 2023
Event	SAMPE 2023 Conference and Exhibition - Seattle, United States Duration: Apr 17 2023 → Apr 20 2023

Publication series

Name	International SAMPE Technical Conference
Volume	2023-April

Conference

Conference	SAMPE 2023 Conference and Exhibition
Country/Territory	United States
City	Seattle
Period	04/17/23 → 04/20/23

Funding

Research sponsored by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office, under contract DE-AC05-00OR22725 with UT-Battelle, LLC. This material was also based upon work supported by the National Science Foundation under Grant No. 2055529 and supported in part by Oak Ridge Institute for Science and Education through the Higher Education Research Experiences Program (HERE). Thanks to Cincinnati Incorporated and Techmer PM for provided material and equipment, and further thanks to the UTK MABE Maker Lab. * This manuscript has been authored in part by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/ downloads/doe-public-access-plan).

Funders	Funder number
National Science Foundation	2055529
U.S. Department of Energy
Advanced Manufacturing Office	DE-AC05-00OR22725
Office of Energy Efficiency and Renewable Energy
Oak Ridge Institute for Science and Education

Keywords

3D Printing
Extrusion
Large-Scale
Multi-Material

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.33599/nasampe/s.23.0166

Cite this

Brackett, J. C., Charles, E. P., Charles, M. B., Smith, T. C., Kunc, V., & Duty, C. E. (2023). THE IMPACT OF VISCOSITY ON MATERIAL TRANSITIONS IN LARGE FORMAT ADDITIVE MANUFACTURING OF POLYMER COMPOSITES. In SAMPE 2023 Conference and Exhibition (International SAMPE Technical Conference; Vol. 2023-April). Soc. for the Advancement of Material and Process Engineering. https://doi.org/10.33599/nasampe/s.23.0166

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title = "THE IMPACT OF VISCOSITY ON MATERIAL TRANSITIONS IN LARGE FORMAT ADDITIVE MANUFACTURING OF POLYMER COMPOSITES",

abstract = "The need to produce complex geometries incompatible with traditional manufacturing techniques has fueled rapid growth in Large-Format Additive Manufacturing (LFAM). Printing of polymer composite materials have generated significant interest, but the production of Multi-Material (MM) structures with location-based material properties continues to be a challenge. Extrusion-based techniques have utilized multiple deposition heads to successfully print MM structures with both stiff and flexible regions, but these techniques often result in discrete material boundaries that concentrate stress and act as failure points. To avoid discrete interfaces, a novel dual-hopper configuration was developed for the Big Area Additive Manufacturing (BAAM) system that creates a blended material region within the structure. The ability to blend and freely switch between stiff polymer composites and flexible polymers enables printing of robust MM structures with site-specific properties.",

keywords = "3D Printing, Extrusion, Large-Scale, Multi-Material",

author = "Brackett, {James C.} and Charles, {Elijah P.} and Charles, {Matthew B.} and Smith, {Tyler C.} and Vlastimil Kunc and Duty, {Chad E.}",

note = "Publisher Copyright: {\textcopyright} 2023 Soc. for the Advancement of Material and Process Engineering. All rights reserved.; SAMPE 2023 Conference and Exhibition ; Conference date: 17-04-2023 Through 20-04-2023",

year = "2023",

doi = "10.33599/nasampe/s.23.0166",

language = "English",

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Brackett, JC, Charles, EP, Charles, MB, Smith, TC, Kunc, V & Duty, CE 2023, THE IMPACT OF VISCOSITY ON MATERIAL TRANSITIONS IN LARGE FORMAT ADDITIVE MANUFACTURING OF POLYMER COMPOSITES. in SAMPE 2023 Conference and Exhibition. International SAMPE Technical Conference, vol. 2023-April, Soc. for the Advancement of Material and Process Engineering, SAMPE 2023 Conference and Exhibition, Seattle, United States, 04/17/23. https://doi.org/10.33599/nasampe/s.23.0166

THE IMPACT OF VISCOSITY ON MATERIAL TRANSITIONS IN LARGE FORMAT ADDITIVE MANUFACTURING OF POLYMER COMPOSITES. / Brackett, James C.; Charles, Elijah P.; Charles, Matthew B. et al.
SAMPE 2023 Conference and Exhibition. Soc. for the Advancement of Material and Process Engineering, 2023. (International SAMPE Technical Conference; Vol. 2023-April).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Smith, Tyler C.

AU - Kunc, Vlastimil

AU - Duty, Chad E.

PY - 2023

Y1 - 2023

N2 - The need to produce complex geometries incompatible with traditional manufacturing techniques has fueled rapid growth in Large-Format Additive Manufacturing (LFAM). Printing of polymer composite materials have generated significant interest, but the production of Multi-Material (MM) structures with location-based material properties continues to be a challenge. Extrusion-based techniques have utilized multiple deposition heads to successfully print MM structures with both stiff and flexible regions, but these techniques often result in discrete material boundaries that concentrate stress and act as failure points. To avoid discrete interfaces, a novel dual-hopper configuration was developed for the Big Area Additive Manufacturing (BAAM) system that creates a blended material region within the structure. The ability to blend and freely switch between stiff polymer composites and flexible polymers enables printing of robust MM structures with site-specific properties.

AB - The need to produce complex geometries incompatible with traditional manufacturing techniques has fueled rapid growth in Large-Format Additive Manufacturing (LFAM). Printing of polymer composite materials have generated significant interest, but the production of Multi-Material (MM) structures with location-based material properties continues to be a challenge. Extrusion-based techniques have utilized multiple deposition heads to successfully print MM structures with both stiff and flexible regions, but these techniques often result in discrete material boundaries that concentrate stress and act as failure points. To avoid discrete interfaces, a novel dual-hopper configuration was developed for the Big Area Additive Manufacturing (BAAM) system that creates a blended material region within the structure. The ability to blend and freely switch between stiff polymer composites and flexible polymers enables printing of robust MM structures with site-specific properties.

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KW - Multi-Material

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THE IMPACT OF VISCOSITY ON MATERIAL TRANSITIONS IN LARGE FORMAT ADDITIVE MANUFACTURING OF POLYMER COMPOSITES

Abstract

Publication series

Conference

Funding

Keywords

UN SDGs

Access to Document

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Cite this