Improvement of interlaminar properties of carbon fiber‑reinforced epoxy composites using aluminum trihydroxide

Dong-Jun Kwon (권동준); Park Sung Min (박성민); KWON IL JUN (권일준); Park, Joung-Man (박종만); Jeong Eui gyung (정의경)

doi:10.1007/s42823-019-00019-x

Improvement of interlaminar properties of carbon fiber‑reinforced epoxy composites using aluminum trihydroxide

Carbon Letters
Abbr : Carbon Lett.
2019, 29(2), pp.183-191
DOI : 10.1007/s42823-019-00019-x
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : June 15, 2018
Accepted : April 8, 2019
Published : April 1, 2019

Dong-Jun Kwon ¹, Park Sung Min ¹, KWON IL JUN ¹, Park, Joung-Man ², Jeong Eui gyung ³

¹다이텍 (DYETEC) 연구원
²경상대학교
³경북대학교

Accredited

ABSTRACT

This study provides an economical and effective method to improve the interlaminar properties of carbon fiber-reinforced polymers (CFRPs) using aluminum trihydroxide (ATH) microparticles. ATH microparticles are cheap and are expected to show good affinity to epoxies in the matrix and sizing agents of the carbon fibers owing to the presence of three hydroxyl groups. In addition, ATH particles are reported to improve the mechanical properties of polymers when used as the reinforcement. In this study, ATH microparticles of various sizes, 1.5, 10, and 20 µm, were used to improve the interlaminar properties of the CFRPs. ATH particles with a size of 1.5 μm improved the tensile properties of the ATH/epoxy resin and did not significantly alter the curing behavior. The interfacial adhesion between the carbon fiber and the epoxy resin was also improved, and the impregnation of the resin mixture remained similar to that of the neat resin, resulting in no significant void and defect formation. Considering the above results, the resulting 1.5 μm ATH-reinforced CFRP showed improved interlaminar properties compared to CFRP without ATH. However, 10 and 20 μm ATH-reinforced CFRPs showed deteriorated interlaminar properties due to the diminished tensile properties of the resin itself and resin impregnation, which resulted in more voids and defects, despite the interfacial adhesion between the fiber and the matrix resin.

KEYWORDS

Polymer matrix composites · Fiber/matrix bond · Interface/interphase · Fracture toughness

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Improvement of interlaminar properties of carbon fiber‑reinforced epoxy composites using aluminum trihydroxide

ABSTRACT

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Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-07-14)

Total Citation Counts(KCI+WOS) (4) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (6) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Improvement of interlaminar properties of carbon fiber‑reinforced epoxy composites using aluminum trihydroxide

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WoS Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-07-14)

Total Citation Counts(KCI+WOS) (4) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (6) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-07-14)

* References for papers published after 2023 are currently being built.