Microstructure characterization and tensile behavior of 2.5D C/SiC composites fabricated by chemical vapor infiltration

Junqiang Ma*, Yongdong Xu, Litong Zhang, Laifei Cheng, Jingjiang Nie, Ning Dong

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

80 Citations (Scopus)

Abstract

The microstructure of 2.5D C/SiC composite was characterized in terms of fiber architecture and processing-induced cracks. A geometric model of the weave architecture, which can be used for visualization and further qualitative analysis, was generated. Tension tests along the warp and weft directions were conducted at room temperature. The results show that the stress-strain curves exhibit mostly nonlinear behavior. Microstructural observations reveal that the differences in tensile behavior between two loading directions are attributed to the characteristics of the weave architecture.

Original languageEnglish
Pages (from-to)1967-1971
Number of pages5
JournalScripta Materialia
Volume54
Issue number11
DOIs
Publication statusPublished - Jun 2006
Externally publishedYes

Keywords

  • Ceramic matrix composites
  • Fracture
  • Microstructure
  • Tension tests
  • Weave architecture

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