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Effect factors on thermal and mechanical properties of SiO2 and TiB2 modified SiBCN-based adhesives

  • Xin'gang Luan
  • , Min Li
  • , Sen Chang
  • , Yongguo Li
  • , Kunjun Wang
  • , Xuemei Song
  • , Ralf Riedel
  • , Laifei Cheng
  • Northwestern Polytechnical University Xian
  • Technische Universität Darmstadt
  • China National Nuclear Corporation

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

To further investigate the reinforcing factors on the adhesion strength of SiO2 and TiB2 modified SiBCN-based adhesives, the thermal stability analysis, microstructure observations and phase composition analysis were performed on four kinds of modified PSNB (Polyborosilazane) adhesives. With the different Si/B ratio and SiO2 content, the room temperature adhesion strength reach up to 18.95, 12.04, 32.44 and 13.69 MPa for PPT-1, PPT-2, PPTS and PST respectively, after synthesized at 1000 °C in air. And then, the high temperature adhesion strength reach up to 12.3 and 16.4 MPa for PPT-1 and PPTS at 1000 °C in vacuum, respectively. Interestingly, it has been found that temperature, PSO, solid content and SiO2 content all have a great influence on the adhesion performance of SiO2 and TiB2 modified SiBCN-based adhesives.

Original languageEnglish
Pages (from-to)19416-19424
Number of pages9
JournalCeramics International
Volume46
Issue number11
DOIs
StatePublished - 1 Aug 2020

Keywords

  • Adhesion strength
  • Si/B ratio
  • SiBCN-based ceramic
  • SiO content

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