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Steel and Composite Structures
  Volume 31, Number 5, June10 2019 , pages 517-527
DOI: https://doi.org/10.12989/scs.2019.31.5.517
 


Ozonization of SWCNTs on thermal/mechanical properties of basalt fiber-reinforced composites
Seong Hwang Kim, Young-Jung Heo and Soo-Jin Park

 
Abstract
    To move forward in large steps rather than in small increments, the community would benefit from a systematic and comprehensive database of multi-scale composites and measured properties, driven by comprehensive studies with a full range of types of fiber-reinforced polymers. The multi-scale hierarchy is a promising chemical approach that provides superior performance in synergistically integrated microstructured fibers and nanostructured materials in composite applications. Achieving high-efficiency thermal conductivity and mechanical properties with a simple surface treatment on single-walled carbon nanotubes (SWCNTs) is important for multi-scale composites. The main purpose of the project is to introduce ozone-treated SWCNTs between an epoxy matrix and basalt fibers to improve mechanical properties and thermal conductivity by enhancing dispersion and interfacial adhesion. The obvious advantage of this approach is that it is much more effective than the conventional approach at improving the thermal conductivity and mechanical properties of materials under an equivalent load, and shows particularly significant improvement for high loads. Such an effort could accelerate the conversion of multi-scale composites into high performance materials and provide more rational guidance and fundamental understanding towards realizing the theoretical limits of thermal and mechanical properties.
 
Key Words
    fiber reinforced polymers (FRP); fracture/fracture criteria; hybrid structures; shear-lag effect; bending and shear strength
 
Address
Department of Chemistry, Inha University, 100 Inharo, Incheon 22212, South Korea.
 

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