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Title: Rheological behavior of neat and carbon fiber-reinforced poly(ether ketone ketone) for extrusion deposition additive manufacturing

Abstract

To develop new materials for extrusion additive manufacturing (AM) systems, a fundamental understanding of rheological properties is essential to correlate the effect of processing on material structure and its properties. In this work, the rheological properties of five different grades of neat and carbon fiber (CF)-reinforced poly(ether ketone ketone) are reported. Rheological properties are essential to understand the effect of reinforcing fibers and AM process parameters such as time, temperature, environment, and shear rate on flow behavior during processing. Small-amplitude oscillatory shear tests and steady shear tests indicated neat grades to exhibit less increase in viscosity over time when processed in air than the CF-filled grades. The filled grades showed greater shear thinning and lower sensitivity to temperature. Altogether, this rheological analysis provides a broad framework for determining appropriate processing conditions for extrusion deposition AM of such high-temperature polymer systems.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [3];  [1]
  1. Oak Ridge National Lab. (ORNL), Knoxville, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Knoxville, TN (United States)
  3. Oak Ridge National Lab. (ORNL), Knoxville, TN (United States); Univ. of Tennessee, Knoxville, TN (United States); Purdue Univ., West Lafayette, IN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1633176
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Polymer Engineering and Science
Additional Journal Information:
Journal Volume: 60; Journal Issue: 5; Journal ID: ISSN 0032-3888
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Kishore, Vidya, Ajinjeru, Christine, Hassen, Ahmed A., Lindahl, John, Kunc, Vlastimil, and Duty, Chad. Rheological behavior of neat and carbon fiber-reinforced poly(ether ketone ketone) for extrusion deposition additive manufacturing. United States: N. p., 2020. Web. doi:10.1002/pen.25362.
Kishore, Vidya, Ajinjeru, Christine, Hassen, Ahmed A., Lindahl, John, Kunc, Vlastimil, & Duty, Chad. Rheological behavior of neat and carbon fiber-reinforced poly(ether ketone ketone) for extrusion deposition additive manufacturing. United States. doi:https://doi.org/10.1002/pen.25362
Kishore, Vidya, Ajinjeru, Christine, Hassen, Ahmed A., Lindahl, John, Kunc, Vlastimil, and Duty, Chad. Fri . "Rheological behavior of neat and carbon fiber-reinforced poly(ether ketone ketone) for extrusion deposition additive manufacturing". United States. doi:https://doi.org/10.1002/pen.25362. https://www.osti.gov/servlets/purl/1633176.
@article{osti_1633176,
title = {Rheological behavior of neat and carbon fiber-reinforced poly(ether ketone ketone) for extrusion deposition additive manufacturing},
author = {Kishore, Vidya and Ajinjeru, Christine and Hassen, Ahmed A. and Lindahl, John and Kunc, Vlastimil and Duty, Chad},
abstractNote = {To develop new materials for extrusion additive manufacturing (AM) systems, a fundamental understanding of rheological properties is essential to correlate the effect of processing on material structure and its properties. In this work, the rheological properties of five different grades of neat and carbon fiber (CF)-reinforced poly(ether ketone ketone) are reported. Rheological properties are essential to understand the effect of reinforcing fibers and AM process parameters such as time, temperature, environment, and shear rate on flow behavior during processing. Small-amplitude oscillatory shear tests and steady shear tests indicated neat grades to exhibit less increase in viscosity over time when processed in air than the CF-filled grades. The filled grades showed greater shear thinning and lower sensitivity to temperature. Altogether, this rheological analysis provides a broad framework for determining appropriate processing conditions for extrusion deposition AM of such high-temperature polymer systems.},
doi = {10.1002/pen.25362},
journal = {Polymer Engineering and Science},
number = 5,
volume = 60,
place = {United States},
year = {2020},
month = {3}
}

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