Investigation of Interfacial and Mechanical Properties of Various Thermally-Recycled Carbon Fibers/Recycled PET Composites 


Vol. 19,  No. 8, pp. 1767-1775, Aug.  2018
10.1007/s12221-018-8305-x


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  Abstract

The mechanical and interfacial properties were evaluated for carbon fiber reinforced composites (CFRC) manufactured using thermally recycled waste carbon fiber and recycled polyethylene terephthalate (PET). The mechanical properties of the recycled fiber were determined and compared to those of neat fibers using the single-fiber tensile test. The surfaces of the recycled and neat carbon fiber were examined and compared using FE-SEM and dynamic contact angle measurements. A goal of the study was to determine the applicability of industrial use of recycled CF and/or recycled PET in CFRC. Mechanical properties were measured using short beam and tensile tests. These properties were observed to be correlated with crystallinity. The interfacial properties between the recycled carbon fibers and recycled PET were evaluated using the microdroplet test. At low temperature residual resin remained on the recycled CFs surface resulting relatively the low interfacial properties. At excessively high temperatures, oxidation occurred, on the CFs surface, which also resulting in relatively poor low mechanical properties. The optimal treatment condition was 500 oC, where the surface was relatively clean and the reduction in mechanical properties was minimized.

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  Cite this article

[IEEE Style]

Y. Baek, P. Shin, J. Kim, H. Park, D. Kwon, K. L. DeVries, J. Park, "Investigation of Interfacial and Mechanical Properties of Various Thermally-Recycled Carbon Fibers/Recycled PET Composites," Fibers and Polymers, vol. 19, no. 8, pp. 1767-1775, 2018. DOI: 10.1007/s12221-018-8305-x.

[ACM Style]

Yeong-Min Baek, Pyeong-Su Shin, Jong-Hyun Kim, Ha-Seung Park, Dong-Jun Kwon, K. Lawrence DeVries, and Joung-Man Park. 2018. Investigation of Interfacial and Mechanical Properties of Various Thermally-Recycled Carbon Fibers/Recycled PET Composites. Fibers and Polymers, 19, 8, (2018), 1767-1775. DOI: 10.1007/s12221-018-8305-x.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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