使用3D打印用于无人机框架应用的PETG - 碳纤维复合材料部件的机械表征
Murugesan Palaniappan1, P Manoj Kumar2, P Arunkumar3
1Department of Mechanical Engineering, College of Engineering, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, 11432, Saudi Arabia.
Scientific reports
|February 2, 2026
概括
支持 PETG-碳纤维复合材料中的立方填充为无人机框架提供了卓越的抗冲击性和刚性. 这种模式增强了轻量级无人机结构,为传统材料提供了具有成本效益和耐用性的替代品.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 增材制造 增材制造 增材制造
背景情况:
- 聚乙烯四甲酸甘 (PETG) -碳纤维复合材料对轻型无人机结构具有前景.
- 内部灌装架构显著影响这些复合材料的机械性能,这些复合材料是通过化沉积模型制造的.
研究的目的:
- 为了评估PETG-碳纤维复合材料中各种充填模式的机械性能.
- 为了确定轻量级无人机框架的最佳填充架构.
主要方法:
- 从最初的21个组件中选出了5个机械高效的填充模式.
- 在入围的模式上进行了拉力,磨损,冲击和硬度测试.
- 使用选择的支持立方体模式和生成设计制造了一个全尺寸的无人机框架.
- 在优化的无人机框架上进行掉落测试.
主要成果:
- 直线灌装显示了最高的抗拉强度 (35N/mm2) 和耐磨性.
- 支持立方填充显示了最高的冲击能量吸收 (6.5 J),超过其他60%以上.
- 三六角和直线填充实现了最高的硬度 (73 Shore D).
- 支持立方体优化无人机框架承受了高达12米 (23.5 J) 的冲击,超过了传统的碳框架.
结论:
- 支持立方填充是PETG-碳纤维复合材料在无人机应用中的最佳架构,因为它具有优越的抗拉强度,抗冲击性和刚性.
- 战略性填充选择允许PETG-碳纤维复合材料实现特定应用程序的机械优势.
- 这些复合材料为无人机框架提供了具有成本效益和抗冲击性的替代品.
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