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Effect of E-44 Epoxy Resin and Pyrolysis Temperature on the Adhesion Strength of SiBCN Ceramic

  • Zhibo Ma
  • , Sen Chang
  • , Xuemei Song
  • , Min Li
  • , Kunjun Wang
  • , Yongguo Li
  • , Xinming Xu
  • , Qiqi Zhang
  • , Lei Wang
  • , Rong Yu
  • , Xin’gang Luan
  • , Laifei Cheng
  • Northwestern Polytechnical University Xian
  • China National Nuclear Corporation
  • Ministry of Education of the People's Republic of China

科研成果: 期刊稿件文章同行评审

5 引用 (Scopus)

摘要

An adhesive of the SiBCN ceramic was synthesized through the polymer derived ceramics (PDC) route. Meanwhile with higher adhesion strength and simpler process condition, the polyborosilazane (PSNB) was modified by E-44 epoxy resin. The E-44 epoxy resin was used to promote the oxidation process of SiBCN, in other words, to produce more amount of SiO2-B2O3 glasses. The phase composition, elemental analysis, chemical bonds and microstructure were investigated by using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and scanning electron microscope (SEM) measurements. The E-44 modified adhesives were cured at 120 °C in air for 2 h, and were pyrolyzed at 1 200, 1 400, and 1 500 °C for 2 h in air, respectively. The highest adhesion strength of the modified adhesive was up to 5.33, 12.23, and 12.50 MPa after being heat treated at 1 200, 1 400, and 1 500 °C, respectively. Finally, we proposed an adhesion model and revealed the adhesion mechanism of SiBCN ceramic.

源语言英语
页(从-至)81-86
页数6
期刊Journal Wuhan University of Technology, Materials Science Edition
35
1
DOI
出版状态已出版 - 1 2月 2020

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