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<p>In this work, multi-component hybrid system molybdenum disulfide-short basalt fibers (MoS<sub>2</sub>-SBF)/copoly(phthalazinone ether sulfone) (PPBES) composites contained c-BN, SiC, or TiO<sub>2</sub> were prepared by vacuum hot pressing technology. The effects of these inorganic particles on the mechanical, thermomechanical and tribological properties of composites were investigated, and the wear morphology and wear mechanism of composites were analyzed. The results showed that the hardness and thermal stability of the composites increased with the addition of inorganic particles. The <i>T</i><sub>d5%</sub> of the composites after adding c-BN, SiC and TiO<sub>2</sub> were 508&#xa0;°C, 510&#xa0;°C and 509&#xa0;°C, respectively. Dynamic mechanical property analysis showed that the composites added with inorganic particles can maintain good mechanical properties. The addition of inorganic particles improved the friction properties of the composites. The composites reinforced with TiO<sub>2</sub> had the best tribological properties. The friction coefficient and wear rate of the composites reinforced with TiO<sub>2</sub> nanoparticles were 0.284 and 2.17 × 10<sup>−15</sup> m<sup>3</sup>/Nm, respectively. Inorganic particles/MoS<sub>2</sub>-SBF achieve a synergistic fiber-particle effect and reduces the wear rate.</p>

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Tribological properties of inorganic particles/MoS2-SBF/PPBES composites

  • 期刊论文

  • 发表日期：

    2025年3月25日

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  • Yuxiang Zhuang,
  • Qingxin Meng,
  • Mingxuan Shao,
  • Xigao Jian,
  • Cheng Liu

摘要

In this work, multi-component hybrid system molybdenum disulfide-short basalt fibers (MoS2-SBF)/copoly(phthalazinone ether sulfone) (PPBES) composites contained c-BN, SiC, or TiO2 were prepared by vacuum hot pressing technology. The effects of these inorganic particles on the mechanical, thermomechanical and tribological properties of composites were investigated, and the wear morphology and wear mechanism of composites were analyzed. The results showed that the hardness and thermal stability of the composites increased with the addition of inorganic particles. The Td5% of the composites after adding c-BN, SiC and TiO2 were 508 °C, 510 °C and 509 °C, respectively. Dynamic mechanical property analysis showed that the composites added with inorganic particles can maintain good mechanical properties. The addition of inorganic particles improved the friction properties of the composites. The composites reinforced with TiO2 had the best tribological properties. The friction coefficient and wear rate of the composites reinforced with TiO2 nanoparticles were 0.284 and 2.17 × 10−15 m3/Nm, respectively. Inorganic particles/MoS2-SBF achieve a synergistic fiber-particle effect and reduces the wear rate.