Preparation and properties of electrospun Y2Si2O7 fiber reinforced environmental barrier coatings

Wanjun Xie, Chaohui Wang*, Meiling Dong, Xinyao Tang, Yuan You, Weidong Cheng, Songyu Cao, Liang Wang, Xiaodong Zhang, You Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Y2Si2O7 ceramic fiber was prepared by the electrospinning technology and modified by adding TiSi2. The traditional Y2Si2O7 environmental barrier coating was strengthened by fiber toughening. the slurry coating method was used to prepare the coating. The synthesis temperature of Y2Si2O7 was found to be 1473 K. The thermal shock and oxidation resistance of the coating were studied, which indicated that the Y2Si2O7 fiber prepared by the electrospinning technology could reduce the thermal stress in the thermal shock test, and the modified fiber obtained the best result. In the study of antioxidant properties, the modified fiber-reinforced Y2Si2O7 coating lost only 2% after 30 h. Based on the advantages of these improvements, it can be used for aerospace-related material preparation.

Original languageEnglish
Pages (from-to)1102-1111
Number of pages10
JournalJournal of the Korean Ceramic Society
Volume61
Issue number6
DOIs
Publication statusPublished - Nov 2024
Externally publishedYes

Keywords

  • Electrospinning
  • Environmental barrier coating
  • Reinforced
  • YSiO ceramic fiber

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