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Attenuated total reflectance (ATR) infrared spectroscopy is a powerful analytical technique used to study the composition of materials. It is widely employed in chemistry, materials science, forensic science, and other fields where sample characterization is required. ATR has several advantages over traditional transmission IR spectroscopy, including the requirement of little to no sample preparation and the ability to analyze a wide range of samples.
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The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
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The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
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基于碳的雷达吸收材料向隐形技术.

Seong-Hwang Kim1, Seul-Yi Lee1, Yali Zhang2

  • 1Department of Chemistry, Inha University, 100 Inharo, Incheon, 22212, South Korea.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|September 21, 2023
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概括

本综述探讨了用于先进隐形技术的基于碳的雷达吸收材料 (RAM). 这些材料通过尽量减少雷达检测,为军事应用提供高性能.

关键词:
碳材料是一种碳材料.吸收雷达的材料 (公羊)隐形技术是一种隐形技术.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电磁学 电磁学 电磁学 电磁学
  • 军事技术 军事技术

背景情况:

  • 隐身技术通过逃避雷达检测来提高军事装备的生存能力.
  • 雷达吸收材料 (RAM) 对于被动对策至关重要,减少雷达信号反射.
  • 优化RAM属性包括定制组合,微观结构和表面几何.

研究的目的:

  • 审查最近碳基雷达吸收材料的进步,用于隐形应用.
  • 研究使用各种碳材料进行电磁衰减的原理和策略.
  • 为设计和制造高性能碳基RAM提供见解.

主要方法:

  • 历史隐形技术和雷达系统的审查.
  • 分析碳基材料,包括碳黑,纤维,纳米管,石墨,石墨烯和MXene.
  • 检查电磁波相互作用和衰减机制.

主要成果:

  • 碳基材料由于其独特的特性,对超薄,高性能RAM充满希望.
  • 特定的表面积,介电特性,导电性和稳定性是RAM性能的关键因素.
  • 不同的碳异构体为开发有效的雷达吸收提供了多功能平台.

结论:

  • 碳基材料为下一代隐形应用提供了巨大的潜力.
  • 对基于碳的RAM的进一步研究可能会导致改善军事监视对策.
  • 这一综述为理解和开发先进的雷达吸收材料提供了基础.