The influence of rheology on melt processing conditions of amorphous thermoplastics for big area additive manufacturing (BAAM)

Christine Ajinjeru; Vidya Kishore; Xun Chen; John Lindahl; Zeke Sudbury; Ahmed Arabi Hassen; Vlastimil Kunc; Brian Post; Lonnie Love; Chad Duty

The influence of rheology on melt processing conditions of amorphous thermoplastics for big area additive manufacturing (BAAM)

Christine Ajinjeru, Vidya Kishore, Xun Chen, John Lindahl, Zeke Sudbury, Ahmed Arabi Hassen, Vlastimil Kunc, Brian Post, Lonnie Love, Chad Duty

Research output: Contribution to conference › Paper › peer-review

31 Scopus citations

Abstract

This paper evaluates the influence of the rheological behavior of thermoplastics used in Big Area Additive Manufacturing (BAAM) on the melt processing conditions. An extensive rheological characterization has been conducted of two base resins; acrylonitrile butadiene styrene (ABS) and polyphenylsulfone (PPSU) as well as their composites containing reinforcing fibers. It was found that the unique processing conditions for each material is highly dependent on the rheological properties of these polymeric systems. A method is presented for considering rheological characteristics when selecting candidate materials suitable for the BAAM system and in developing processing bounds to achieve required material properties for applications such as high temperature tooling and composite structures.

Original language	English
Pages	754-761
Number of pages	8
State	Published - 2016
Event	27th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2016 - Austin, United States Duration: Aug 8 2016 → Aug 10 2016

Conference

Conference	27th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2016
Country/Territory	United States
City	Austin
Period	08/8/16 → 08/10/16

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. The authors also thank Techmer ES and BASF for providing materials used for this work. We are also grateful to Jordan Failla and Andrew Chern for their assistance in preparing the samples for rheology testing and thermal characterization.

Funders	Funder number
U.S. Department of Energy
BASF
Advanced Manufacturing Office	DE-AC05-00OR22725
Office of Energy Efficiency and Renewable Energy

Keywords

Amorphous Thermoplastics
Big Area Additive Manufacturing
Processing Conditions
Rheology

UN SDGs

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

Cite this

Ajinjeru, C., Kishore, V., Chen, X., Lindahl, J., Sudbury, Z., Hassen, A. A., Kunc, V., Post, B., Love, L., & Duty, C. (2016). The influence of rheology on melt processing conditions of amorphous thermoplastics for big area additive manufacturing (BAAM). 754-761. Paper presented at 27th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2016, Austin, United States.

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Ajinjeru, C, Kishore, V, Chen, X, Lindahl, J, Sudbury, Z, Hassen, AA , Kunc, V , Post, B, Love, L & Duty, C 2016, 'The influence of rheology on melt processing conditions of amorphous thermoplastics for big area additive manufacturing (BAAM)', Paper presented at 27th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2016, Austin, United States, 08/8/16 - 08/10/16 pp. 754-761.

The influence of rheology on melt processing conditions of amorphous thermoplastics for big area additive manufacturing (BAAM). / Ajinjeru, Christine; Kishore, Vidya; Chen, Xun et al.
2016. 754-761 Paper presented at 27th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2016, Austin, United States.

Research output: Contribution to conference › Paper › peer-review

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T1 - The influence of rheology on melt processing conditions of amorphous thermoplastics for big area additive manufacturing (BAAM)

AU - Ajinjeru, Christine

AU - Kishore, Vidya

AU - Chen, Xun

AU - Lindahl, John

AU - Sudbury, Zeke

AU - Hassen, Ahmed Arabi

AU - Kunc, Vlastimil

AU - Post, Brian

AU - Love, Lonnie

AU - Duty, Chad

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N2 - This paper evaluates the influence of the rheological behavior of thermoplastics used in Big Area Additive Manufacturing (BAAM) on the melt processing conditions. An extensive rheological characterization has been conducted of two base resins; acrylonitrile butadiene styrene (ABS) and polyphenylsulfone (PPSU) as well as their composites containing reinforcing fibers. It was found that the unique processing conditions for each material is highly dependent on the rheological properties of these polymeric systems. A method is presented for considering rheological characteristics when selecting candidate materials suitable for the BAAM system and in developing processing bounds to achieve required material properties for applications such as high temperature tooling and composite structures.

AB - This paper evaluates the influence of the rheological behavior of thermoplastics used in Big Area Additive Manufacturing (BAAM) on the melt processing conditions. An extensive rheological characterization has been conducted of two base resins; acrylonitrile butadiene styrene (ABS) and polyphenylsulfone (PPSU) as well as their composites containing reinforcing fibers. It was found that the unique processing conditions for each material is highly dependent on the rheological properties of these polymeric systems. A method is presented for considering rheological characteristics when selecting candidate materials suitable for the BAAM system and in developing processing bounds to achieve required material properties for applications such as high temperature tooling and composite structures.

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KW - Big Area Additive Manufacturing

KW - Processing Conditions

KW - Rheology

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ER -

The influence of rheology on melt processing conditions of amorphous thermoplastics for big area additive manufacturing (BAAM)

Abstract

Conference

Funding

Keywords

UN SDGs

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