Structural, Thermal, and Mechanical Characterization of a Thermally Conductive Polymer Composite for Heat Exchanger Applications
Abstract
Polymer composites are being considered for numerous thermal applications because of their inherent benefits, such as light weight, corrosion resistance, and reduced cost. In this work, the microstructural, thermal, and mechanical properties of a 3D printed polymer composite with high thermal conductivity are examined using multiple characterization techniques. Infrared spectroscopy and X-ray diffraction reveal that the composite contains a polyphenylene sulfide matrix with graphitic fillers, which is responsible for the high thermal conductivity. Furthermore, differential scanning calorimetry determines that the glass transition and melting point of the composite are 87.6 °C and 285.6 °C, respectively. Thermogravimetric analysis reveals that the composite is thermally stable up to ~400 °C. Creep tests are performed at different isotherms to evaluate the long-term performance of the composite. The creep result indicates that the composite can maintain mechanical integrity when used below its glass transition temperature. Nanoindentation tests reveal that modulus and hardness of the composite is not significantly influenced by heating or creep conditions. These findings indicate that the composite is potentially suitable for heat exchanger applications.
- Authors:
- 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:
- 1797312
- Alternate Identifier(s):
- OSTI ID: 1807285
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Published Article
- Journal Name:
- Polymers
- Additional Journal Information:
- Journal Name: Polymers Journal Volume: 13 Journal Issue: 12; Journal ID: ISSN 2073-4360
- Publisher:
- MDPI AG
- Country of Publication:
- Switzerland
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; polymer composites; microstructure analysis; thermal analysis; creep modeling; mechanical properties
Citation Formats
Brechtl, Jamieson, Li, Yuzhan, Li, Kai, Kearney, Logan, Nawaz, Kashif, Flores-Betancourt, Alexis, Thompson, Michael, Rios, Orlando, and Momen, Ayyoub M. Structural, Thermal, and Mechanical Characterization of a Thermally Conductive Polymer Composite for Heat Exchanger Applications. Switzerland: N. p., 2021.
Web. doi:10.3390/polym13121970.
Brechtl, Jamieson, Li, Yuzhan, Li, Kai, Kearney, Logan, Nawaz, Kashif, Flores-Betancourt, Alexis, Thompson, Michael, Rios, Orlando, & Momen, Ayyoub M. Structural, Thermal, and Mechanical Characterization of a Thermally Conductive Polymer Composite for Heat Exchanger Applications. Switzerland. https://doi.org/10.3390/polym13121970
Brechtl, Jamieson, Li, Yuzhan, Li, Kai, Kearney, Logan, Nawaz, Kashif, Flores-Betancourt, Alexis, Thompson, Michael, Rios, Orlando, and Momen, Ayyoub M. Tue .
"Structural, Thermal, and Mechanical Characterization of a Thermally Conductive Polymer Composite for Heat Exchanger Applications". Switzerland. https://doi.org/10.3390/polym13121970.
@article{osti_1797312,
title = {Structural, Thermal, and Mechanical Characterization of a Thermally Conductive Polymer Composite for Heat Exchanger Applications},
author = {Brechtl, Jamieson and Li, Yuzhan and Li, Kai and Kearney, Logan and Nawaz, Kashif and Flores-Betancourt, Alexis and Thompson, Michael and Rios, Orlando and Momen, Ayyoub M.},
abstractNote = {Polymer composites are being considered for numerous thermal applications because of their inherent benefits, such as light weight, corrosion resistance, and reduced cost. In this work, the microstructural, thermal, and mechanical properties of a 3D printed polymer composite with high thermal conductivity are examined using multiple characterization techniques. Infrared spectroscopy and X-ray diffraction reveal that the composite contains a polyphenylene sulfide matrix with graphitic fillers, which is responsible for the high thermal conductivity. Furthermore, differential scanning calorimetry determines that the glass transition and melting point of the composite are 87.6 °C and 285.6 °C, respectively. Thermogravimetric analysis reveals that the composite is thermally stable up to ~400 °C. Creep tests are performed at different isotherms to evaluate the long-term performance of the composite. The creep result indicates that the composite can maintain mechanical integrity when used below its glass transition temperature. Nanoindentation tests reveal that modulus and hardness of the composite is not significantly influenced by heating or creep conditions. These findings indicate that the composite is potentially suitable for heat exchanger applications.},
doi = {10.3390/polym13121970},
journal = {Polymers},
number = 12,
volume = 13,
place = {Switzerland},
year = {Tue Jun 15 00:00:00 EDT 2021},
month = {Tue Jun 15 00:00:00 EDT 2021}
}
https://doi.org/10.3390/polym13121970
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