LaPO4 coating on alumina-based fiber: Strength retention of fiber and improvement of interfacial performances

Xu, Zhongkai; Jian, Zhang; Chen, Zhe; Sun, Xiaohong; Lv, Xuming; Guo, Ruisong; Cui, Fengdan; Xiong, Kunzhou; Gong, Zhiyou; Zhuang, Yuan; Zheng, Chunming

doi:10.1016/j.ceramint.2021.11.331

Cited by 5 publications

(1 citation statement)

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“…A micromechanical test can be used to assess the interfacial characteristics of the fiber/matrix [39,40]. The results of the fiber/matrix interfacial bond strength for the samples prepared under different conditions are shown in Table 2.…”

Section: Characterization and Discussion Of Interfacial Bond Strength...mentioning

confidence: 99%

The Microstructure and Mechanical Properties of Si3N4f/BN/SiBCN Microcomposites Fabricated by the PIP Process

Gong,

Xu,

Zhang

et al. 2024

Materials

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SiBCN ceramics based on SiC, BN and Si3N4 structures have good comprehensive properties such as high-temperature resistance, oxidation resistance, creep resistance and long life, which makes it one of the very promising ceramic material systems in military and aerospace fields, etc. In this study, SiBCN ceramics, as well as Si3N4f/BN/SiBCN microcomposites, were prepared by a polymer infiltration pyrolysis method using PBSZ as the polymer precursor. The PBSZ was completely ceramized by pyrolysis at 900 °C. The weight loss and elemental bonding forms of the products after the pyrolysis of the precursors hardly changed from 600 °C to 900 °C. After pyrolysis at 600 °C for 4 h and using the BN coating obtained from twice deposition as the interfacial phase, a more desirable weak interface of fiber/matrix with a binding strength of 21.96 ± 2.01 MPa can be obtained. Si3N4f/BN/SiBCN ceramic matrix microcomposites prepared under the same pyrolysis conditions have a relatively good tensile strength of 111.10 MPa while retaining a weak interface between the fibers and the matrix. The results of the study provide more theoretical and methodological support for the application of new composite structural ceramic material systems.

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Section: Characterization and Discussion Of Interfacial Bond Strength...mentioning

confidence: 99%

The Microstructure and Mechanical Properties of Si3N4f/BN/SiBCN Microcomposites Fabricated by the PIP Process

Gong,

Xu,

Zhang

et al. 2024

Materials

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High toughness Al2O3/LaPO4/Al2O3 composites fabricated by slurry impregnation sintering process

Sun,

Zhou,

et al. 2024

Ceramics International

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Mechanically robust Al2O3 f/LaPO4/Al2O3 composite for high-performance microwave transparent

Jing,

Luo,

et al. 2025

Journal of Alloys and Compounds

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LaPO4 coating on alumina-based fiber: Strength retention of fiber and improvement of interfacial performances

Cited by 5 publications

References 51 publications

The Microstructure and Mechanical Properties of Si3N4f/BN/SiBCN Microcomposites Fabricated by the PIP Process

The Microstructure and Mechanical Properties of Si3N4f/BN/SiBCN Microcomposites Fabricated by the PIP Process

High toughness Al2O3/LaPO4/Al2O3 composites fabricated by slurry impregnation sintering process

Mechanically robust Al2O3 f/LaPO4/Al2O3 composite for high-performance microwave transparent

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LaPO4 coating on alumina-based fiber: Strength retention of fiber and improvement of interfacial performances

Cited by 5 publications

References 51 publications

The Microstructure and Mechanical Properties of Si3N4f/BN/SiBCN Microcomposites Fabricated by the PIP Process

The Microstructure and Mechanical Properties of Si3N4f/BN/SiBCN Microcomposites Fabricated by the PIP Process

High toughness Al2O3/LaPO4/Al2O3 composites fabricated by slurry impregnation sintering process

Mechanically robust Al2O3 f/LaPO4/Al2O3 composite for high-performance microwave transparent

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Mechanically robust Al2O3 f/LaPO4/Al2O3 composite for high-performance microwave transparent