Preparation and characteristic of Carbon/Carbon composites with Coal-tar and petroleum binder pitches

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Abstract

Unidirectional carbon/carbon (C/C) composites were manufactured using phenolic resins as a precursor of the carbonized matrix throughout a one-step manufacturing process. Also, molybdenum oxide (MoO3) and binder pitches were impregnated with phenolic resins to improve the bulk density and mechanical property of the C/C composites. In this study, the influence of MoO3 and binder pitches on mechanical properties of the C/C composites were investigated by measuring flexural strength (σf) and interlaminar shear strength (ILSS). The results show that the enhancement of interfacial adhesions between the fibers and matrix resins of the C/C composites with MoO3 and binder pitches which led to the improvement of mechanical properties of the C/C composites. This indicates that the presence of MoO3 and binder pitches in C/C composites can develop the graphite structure and increase the bulk density.

Original languageEnglish
Pages (from-to)406-412
Number of pages7
JournalApplied Chemistry for Engineering
Volume26
Issue number4
DOIs
Publication statusPublished - 1 Aug 2015
Externally publishedYes

Keywords

  • Binder pitches
  • C/C composites
  • Mechanical properties
  • Phenolic resins

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