Skip to main navigation Skip to search Skip to main content

Processing and mechanical properties of short fibers/Si3N4p reinforced BaO·Al2O3·2SiO2 ceramic matrix composites

  • Jingmei Ma
  • , Feng Ye*
  • , Limeng Liu
  • , Haijiao Zhang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Dense short silicon carbide (SiCsf) and carbon fibers (Csf) reinforced BaAl2Si2O8 (BAS) glass-ceramic composites with silicon nitride were fabricated by hot-pressing technique. The phase characterization, microstructure, mechanical properties and fracture behavior of the composites were investigated by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and three-point bending tests. The results showed that short silicon carbide and carbon fibers disperse homogeneously in BAS matrix, and had good chemical compatibility with the glass-ceramic matrix. The addition of Si3N4 could successfully eliminate the microcracks in the BAS matrix induced by the thermal mismatch between the fiber and matrix. Both the added short fibers could effectively reinforce the BAS glass-ceramic by the associated toughening mechanisms such as crack deflection, fiber bridging and pullout effects.

Original languageEnglish
Pages (from-to)158-161
Number of pages4
JournalMaterials Science and Engineering: A
Volume520
Issue number1-2
DOIs
StatePublished - 15 Sep 2009
Externally publishedYes

Keywords

  • Barium aluminosilicate
  • Carbon fibers
  • Mechanical properties
  • Short-fiber composites
  • Silicon carbide fibers

Fingerprint

Dive into the research topics of 'Processing and mechanical properties of short fibers/Si3N4p reinforced BaO·Al2O3·2SiO2 ceramic matrix composites'. Together they form a unique fingerprint.

Cite this