Effect of RTM process on the properties of Cf/SiBCN ceramic matrix composites

Wei Liu, La Mei Cao, Ling Wang, Cai Hong Xu, Xiao Su Yi

Research output: Journal PublicationArticlepeer-review

8 Citations (Scopus)


The forming process performance of polyborosilazane as RTM resin was investigated using rheometer, and the green composite preforms were further formed using RTM process, then the Cf/SiBCN ceramic matrix composites were fabricated via repeated impregnation-atmospheric pressure pyrolysis. Furthermore, the effect of RTM forming defects on thickness, density and mechanical properties of ceramic matrix composites was studied in detail. The results show that the polyborosilazane fully meets the requirements of RTM forming process to rheological properties. RTM forming defects will further increase the expansion of composites, and result in the obvious increase of the thickness of composites, meanwhile decrease the density of composites at the stage of pre-impregnation and pyrolysis, and finally the bending strength and modulus of ceramic matrix composites are also slightly decreased.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalCailiao Gongcheng/Journal of Materials Engineering
Issue number6
Publication statusPublished - 20 Jun 2015
Externally publishedYes


  • Ceramic matrix composite
  • Polyborosilazane
  • RTM
  • SiBCN ceramic

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Metals and Alloys


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