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Composite Materials for Hybrid Aerospace Gears

机译：混合航空航天齿轮的复合材料

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摘要

Hybrid steel-composite gears, which combine steel teeth with a fiber-reinforced polymer composite core, are a rapidly emerging technology for weight reduction in aerospace drivetrain systems. However, power transmission gears-and especially the requirement of rotorcraft gearboxes to operate under loss of lubrication-are a very challenging application for composite materials, due to the combination of mechanical and thermal loads. In this work, composite materials, including newly developed hybrid laminates featuring multiple grades of carbon fiber, are fabricated. Mechanical and thermal testing, along with ply-level finite element analysis, are employed to assess the suitability of these composite materials for hybrid aerospace gear applications. Particular focus is given to high-temperature epoxy and bismaleimide resins and to hybrid laminates reinforced by multiple grades of carbon fiber. This hybrid drivetrain technology would manifest significant weight reductions without compromising gear performance.
机译：混合钢 - 复合齿轮，将钢齿与纤维增强的聚合物复合芯相结合，是航空传动系统系统重量减轻的快速新兴技术。然而，由于机械和热负荷的组合，电力传动齿轮 - 尤其是在润滑下损失磁盘齿轮箱进行操作的要求 - 是复合材料的非常具有挑战性的应用。在这项工作中，制造了复合材料，包括新开发的混合层压材料，具有多等级的碳纤维。采用机械和热检测以及帘布层电平有限元分析来评估这些复合材料用于混合航空航天齿轮应用的适用性。特别焦点对高温环氧树脂和双聚酰亚胺树脂并通过多种碳纤维增强的混合层压板。这种混合动力传动系统技术将表现出显着的重量减轻而不会损害齿轮性能。

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  • 来源
    《Journal of the American Helicopter Society》 |2020年第4期|042010.1-042010.11|共11页
  • 作者

    Matthew D. Waller; Sean M. Mclntyre; Kevin L. Koudela;

  • 作者单位

    Department of Engineering Science and Mechanics Pennsylvania State University University Park PA;

    Applied Research Laboratory Pennsylvania State University University Park PA;

    Applied Research Laboratory Pennsylvania State University University Park PA;

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