An Experimental Study on Mechanical Behaviors of Carbon Fiber and Microwave-Assisted Pyrolysis Recycled Carbon Fiber-Reinforced Concrete

Yeou-Fong Li, Jie-You Li, Gobinathan Kadagathur Ramanathan, Shu-Mei Chang, Ming-Yuan Shen, Ying-Kuan Tsai and Chih-Hong Huang
Additional contact information
Yeou-Fong Li: Department of Civil Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
Jie-You Li: Department of Civil Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
Gobinathan Kadagathur Ramanathan: Department of Civil Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
Shu-Mei Chang: Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
Ming-Yuan Shen: Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan
Ying-Kuan Tsai: Department of Environmental Information and Engineering, Chung Cheng Institute of Technology, National Defense University, Taoyuan 335, Taiwan
Chih-Hong Huang: Department of Architecture, National Taipei University of Technology, Taipei 10608, Taiwan

Sustainability, 2021, vol. 13, issue 12, 1-17

Abstract: In the last decade, waste carbon fiber-reinforced plastic (CFRP) products have not been properly recycled and reused, and they sometimes cause environmental problems. In this paper, the microwave-assisted pyrolysis (MAP) technology was utilized to remove the resin from the CFRP bicycle frame, which was recycled into carbon fiber. A scanning electron microscope (SEM) and single filament tensile test were used to observe and compare the difference between recycled carbon fiber and normal carbon fiber. The mechanical performances of carbon fiber-reinforced concrete (CFRC) were investigated with static and dynamic tests under three different fiber/cement weight proportions (5‰, 10‰, and 15‰). Three different kinds of carbon fiber were used in this study, normal carbon fiber, carbon fiber without coupling agent, and recycled carbon fiber. The experimental program was tested according to ASTM C39-01, ASTM C293, and ACI 544.2R standards for compression, flexural, and impact test, respectively. From the experimental results, addition of 10‰ of carbon fiber into the concrete exhibited maximum compressive and flexural strength. The impact performance of recycled carbon fiber improved the highest impact number compared with normal carbon fiber under different impact energy.

Keywords: recycled carbon fiber; fiber-reinforced concrete; microwave-assisted pyrolysis; shock wave (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

Downloads: (external link)
https://www.mdpi.com/2071-1050/13/12/6829/pdf (application/pdf)
https://www.mdpi.com/2071-1050/13/12/6829/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:13:y:2021:i:12:p:6829-:d:576301

Access Statistics for this article

Sustainability is currently edited by Ms. Alexandra Wu

More articles in Sustainability from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().