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<p>In this study, modified basalt fibers (PSN-BF) were prepared through in situ growth of silicon nanowires (SiNWs) on the surface utilizing a solution-based method. The basalt fiber-reinforced polymer composites (BFRP, PSN-BFRP) were prepared using modified and unmodified BFs. The results showed that the surface of the modified BFs was densely coated with SiNWs, leading to a significant enhancement in surface roughness. The interfacial shear strength of PSN-BF increased by 47%, while the flexural and interlaminar shear strengths of PSN-BFRP increased by 15.8% and 18.5%, respectively. High-temperature and high-pressure corrosion tests revealed that the acid corrosion resistance of PSN-BFRP was better than that of BFRP. High-temperature and high-pressure conditions accelerated the acid corrosion behavior of BFRP. The modification of SiNWs on BF effectively improved the mechanical properties and acid corrosion resistance of BFRP, which is helpful for the application of BFRP in extremely acidic environments.</p>

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Study on Mechanical Properties and Acid Corrosion Resistance of Basalt Fiber/Epoxy Resin Composites Modified by Silicon Nanowires

  • 期刊论文

  • 发表日期：

    2025年3月10日

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  • Chao Chen,
  • Pengfei Li,
  • Dong Xiang,
  • Libing Liu,
  • Haoming Sun,
  • Yuanpeng Wu,
  • Mulan Mu,
  • Bin Wang,
  • Chunxia Zhao,
  • Hui Li

摘要

In this study, modified basalt fibers (PSN-BF) were prepared through in situ growth of silicon nanowires (SiNWs) on the surface utilizing a solution-based method. The basalt fiber-reinforced polymer composites (BFRP, PSN-BFRP) were prepared using modified and unmodified BFs. The results showed that the surface of the modified BFs was densely coated with SiNWs, leading to a significant enhancement in surface roughness. The interfacial shear strength of PSN-BF increased by 47%, while the flexural and interlaminar shear strengths of PSN-BFRP increased by 15.8% and 18.5%, respectively. High-temperature and high-pressure corrosion tests revealed that the acid corrosion resistance of PSN-BFRP was better than that of BFRP. High-temperature and high-pressure conditions accelerated the acid corrosion behavior of BFRP. The modification of SiNWs on BF effectively improved the mechanical properties and acid corrosion resistance of BFRP, which is helpful for the application of BFRP in extremely acidic environments.