화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.32, 153-156, December, 2015
DOI10.1016/j.jiec.2015.08.009  Export Citation
Influence of chemical surface treatment of basalt fibers on interlaminar shear strength and fracture toughness of epoxy-based composites
Seong-Ock Lee, Kyong Yop Rhee1, †, and Soo-Jin Park†
  • Department of Chemistry, Inha University, 100 Inharo, Incheon, Republic of Korea
  • 1Department of Mechanical Engineering, Kyung Hee University, Yongin 446-701, Republic of Korea
E-mail:,
In our study, the effect of chemically treated basalt fibers on the mechanical interfacial properties of basalt fibers reinforced epoxy composites was investigated. The surface properties of the basalt fibers were determined by Fourier Transform Infrared (FT-IR) spectroscopy. The surface structure of the basalt fibers was analyzed Atomic Force Microscopy (AFM). The acid and alkali chemical treatments led to significant changes in the surface characteristics of the fibers. The chemically treated fibers improved the mechanical interfacial properties, interlaminar shear strength (ILSS) and fracture toughness (KIC) of the composites. Composites treated with H2SO4 had higher values of ILSS and KIC than the KOH-treated composites. These results are attributed to the improvement of interfacial bonding strength, which was caused by an increase of the surface roughness of basalt fibers.
Keywords:Basalt fibers;Acid-alkali treatment;Mechanical interfacial properties;Fracture toughness
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