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March 29, 2026International Journal of Applied Ceramic Technology

High‐Temperature Sintering Behavior and Microstructural Evolution of Boron Nitride Nanosheet Composite Si–Al–C–O Fibers

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Authors

CYCai YeXLXiao LiJCJ. J. Chen

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Overview

Research explores high-temperature stability and strength of boron nitride composite fibers, suggesting potential applications.

Key Points

  • Investigate the high-temperature sintering behavior and microstructural changes in boron nitride nanosheet composite Si–Al–C–O fibers.
  • Incorporated hexagonal boron nitride nanosheets into polyaluminocarbosilane precursor.
  • Studied polymer-to-ceramic transition and sintering behavior at varying temperatures.
  • Evaluated ceramic yield and tensile strength of the resulting fibers.
  • PACS/BNNS-5% showed a ceramic yield of 60.15% at 1600°C, compared to 29.48% for pure PACS.
  • Tensile strength of Si–Al–C–O/BNNS-0.5% fibers reached 1022 MPa, a 63% increase over original fibers.
  • High-temperature treatments revealed the formation of a novel graphitic-like BN(C)/B4C phase and improved fiber densification.

Cite This Study

Ye et al. (2026) studied this question.

synapsesocial.com/papers/69c8c1d7de0f0f753b39c0bfhttps://doi.org/10.1111/ijac.70175
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