双向增强碳纤维/聚乙基复合体薄壁管道通过突穿绕用于轨道增材制造
Yuanhao Xia1, Long Jiang2, Yi Chen3
1State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China.
Materials (Basel, Switzerland)
|January 23, 2024
概括
本研究引入了一种新方法,用于使用双向增强制造强大,轻量级的碳纤维/聚乙烯- (CF/PEEK) 管道. 这种技术提高了管道的强度,适合在轨道上制造.
科学领域:
- 材料科学 材料科学 材料科学
- 航空航天工程 航空航天工程
- 复合材料制造业 复合材料制造业
背景情况:
- 连续纤维增强热塑性复合材料 (CFTPC) 管道具有轻量化和高强度等优势.
- 使用CFTPC的轨道结构部件的增材制造面临空间限制和高加工温度的挑战.
研究的目的:
- 开发一种有效的方法来生产高性能碳纤维/聚乙 (CF/PEEK) 薄壁管道.
- 研究双向增强对用于太空应用的CF/PEEK管道机械性能的影响.
主要方法:
- 采用了脉冲绕技术,用于连续制造薄壁CF/PEEK管道.
- 采用实验测试和有限元分析来评估压力和剪切性能.
- 调查了不同的层设计,重点是轴性先带层.
主要成果:
- 实现了薄壁管道的连续制造,克服了核心模具尺寸限制.
- 通过增加轴向先带层,显著改善了轴向压缩强度.
- 通过脉冲绕周期观察到增强的屈曲强度,并通过模拟减少周围应变.
结论:
- 通过脉冲绕的双向增强方法产生了高性能CF/PEEK管道.
- 开发的方法提供了简单的可控性,非常适合在轨道上制造大型结构.
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