钛掺杂短切碳纤维/环氧树脂复合材料的太赫兹时域光谱吸波性能研究

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Research on Absorption Properties of Ti-doped Short Carbon Fiber/epoxy Resin Composites by Terahertz Time Domain Spectroscopy

1. School of Materials Science and Engineering, Mianyang 621000, Sichuan, Chian;
2. Center of Test and Analysis, Southwest University of Science and Technology, Mianyang 621000, Sichuan, Chian

摘要: 太赫兹是电磁波中最后被研究的波段,在未来隐身和反隐身研究领域占据重要地位。通过溶胶-凝胶法制备TiO₂、Fe-TiO₂和BaTiO₃纳米颗粒,掺杂入短切碳纤维/环氧树脂制备复合材料,研究了复合材料的吸波性能。采用X射线衍射(XRD)和太赫兹时域光谱(THz-TDS)技术,建立数学模型。结果表明,混合的纳米颗粒在1.12 THz处,吸波性能达到最大,吸收系数为78.1。
- 二氧化钛 /
- 碳纤维 /
- 太赫兹 /
- 吸波性能
Abstract: Terahertz is the last researched band of the electromagnetic waves,which occupies an important position in the field of stealth and anti-stealth research in the future.TiO₂,Fe-TiO₂ and Ba TiO₃ nanoparticles were prepared by sol-gel method,and then they were doped into short carbon fiber/epoxy resin composites.Research on the absorption properties of Ti-doped short carbon fiber/epoxy resin composites was carried out,and the mathematical model was established by XRD and THz-TDS.The results show that the mixed nanoparticles have optimum absorption properties at 1.12 THz,with 78.1 of absorption index.
- titanium dioxide /
- carbon fiber /
- Terahertz /
- absorption properties