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Open AccessArticle
Thermomechanical and Viscoelastic Characterization of Continuous GF/PETG Tape for Extreme Environment Applications
by
José Luis Colón Quintana
José Luis Colón Quintana
Dr. José Luis Colón Quintana studied mechanical engineering at the University of Puerto Rico, as A [...]
Dr. José Luis Colón Quintana studied mechanical engineering at the University of Puerto Rico, Mayaguez, as an undergraduate student. He had the opportunity to work with various materials including metals, wood, and polymers. He became increasingly interested in the manufacturing of polymer composite materials. A chance to participate in research experience for undergraduates (REU) programs at the University of Wisconsin–Madison and the Georgia Institute of Technology solidified his interest in the field. He pursued an M.S. and Ph.D. in mechanical engineering at the University of Wisconsin–Madison. Now, Colón Quintana is a staff research engineer at UMaine working on various projects at the Advanced Structures and Composites Center (ASCC), home to the world’s largest polymer 3D printer. Implementing additive manufacturing technology for large-scale applications has a unique set of challenges. His research is focused on understanding polymer processing, and the material characterization of fiber-filled systems.
1,*,
Scott Tomlinson
Scott Tomlinson 1 and
Roberto A. Lopez-Anido
Roberto A. Lopez-Anido
Prof. Dr. Roberto A. Lopez-Anido is a Professor at the Department of Civil and Environmental of He a [...]
Prof. Dr. Roberto A. Lopez-Anido is a Professor at the Department of Civil and Environmental Engineering, University of Maine. He received his Degree in Civil Engineering (equivalent to a B.S. plus two years of Graduate Studies) from the National University of Rosario, Argentina in 1985, and a Ph.D in Civil Engineering (Emphasis on Structures, Mechanics, and Materials) from West Virginia University in 1995. Professor Lopez-Anido has experience in the areas of mechanics of fiber-reinforced polymer (FRP) composites for construction, durability analysis of composite materials, advanced experimental methods for composites, composite manufacturing, rehabilitation of civil infrastructure, design of composite structures, and structural health monitoring.
1,2
1
Advanced Structures and Composites Center (ASCC), University of Maine, 35 Flagstaff Road, Orono, ME 04469-5793, USA
2
Department of Civil and Environmental Engineering, University of Maine, 5711 Boardman Hall, Orono, ME 04469-5711, USA
*
Author to whom correspondence should be addressed.
J. Compos. Sci. 2024, 8(10), 392; https://doi.org/10.3390/jcs8100392 (registering DOI)
Submission received: 26 August 2024
/
Revised: 18 September 2024
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Accepted: 24 September 2024
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Published: 30 September 2024
Abstract
The thermomechanical and viscoelastic properties of a glass fiber polyethylene terephthalate glycol (GF/PETG) continuous unidirectional (UD) tape were investigated using differential scanning calorimetry (DSC), thermomechanical analysis (TMA), and dynamic mechanical analysis (DMA). This study identified five operational conditions based on the Army Regulation 70-38 Standard. The DSC results revealed a glass transition temperature of 78.0 ± 0.3 °C, guiding the selection of temperatures for TMA and DMA tests. TMA provided the coefficient of thermal expansion in three principal directions, consistent with known values for PETG and GF materials. DMA tests, including strain sweep, temperature ramp, frequency sweep, creep, and stress relaxation, defined the material’s linear viscoelastic region and temperature-dependent properties. The frequency sweep indicated an increased modulus with rising frequency, identifying several natural frequency modes. Creep and stress relaxation tests showed time-dependent behavior, with strain increasing under higher loads and stress decreasing over time for all tested input values. Viscoelastic models fitted to the data yielded R2 values of 0.99, demonstrating good agreement. The study successfully measured thermomechanical and viscoelastic properties across various conditions, providing insights into how temperature influences the material’s mechanical response under extreme conditions.
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MDPI and ACS Style
Colón Quintana, J.L.; Tomlinson, S.; Lopez-Anido, R.A.
Thermomechanical and Viscoelastic Characterization of Continuous GF/PETG Tape for Extreme Environment Applications. J. Compos. Sci. 2024, 8, 392.
https://doi.org/10.3390/jcs8100392
AMA Style
Colón Quintana JL, Tomlinson S, Lopez-Anido RA.
Thermomechanical and Viscoelastic Characterization of Continuous GF/PETG Tape for Extreme Environment Applications. Journal of Composites Science. 2024; 8(10):392.
https://doi.org/10.3390/jcs8100392
Chicago/Turabian Style
Colón Quintana, José Luis, Scott Tomlinson, and Roberto A. Lopez-Anido.
2024. "Thermomechanical and Viscoelastic Characterization of Continuous GF/PETG Tape for Extreme Environment Applications" Journal of Composites Science 8, no. 10: 392.
https://doi.org/10.3390/jcs8100392
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