连续纤维增强复合材料多层托架结构的空间3D打印,具有可控制的结构性能
Daokang Zhang1, Xiaoyong Tian1, Yanli Zhou1
1State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, 28 Xian Ning West Road, Xi'an 710049, China.
Polymers
|November 14, 2023
概括
3D打印的连续纤维复合材料托架结构在低密度下提供高刚性和强度,使可定制的多功能航空航天应用成为可能.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 航空航天工程 航空航天工程
背景情况:
- 连续纤维增强复合材料杆结构由于其效率和多功能性,对航空航天至关重要.
- 3D打印为复杂的复合结构提供了先进的制造能力.
研究的目的:
- 设计和制造使用连续纤维增强热塑性复合材料的多层托架结构.
- 为了在这些结构中实现控制的机械性能和较低的相对密度.
主要方法:
- 利用3D打印技术制造连续纤维复合金字塔托架.
- 研究了每个层的设计参数,以控制结构性能.
主要成果:
- 实现了高的特定刚性和强度,最大等效压缩模量为401.91 MPa,强度为30.26 MPa.
- 对于托架结构来说,证明了1.45%的低相对密度.
- 展示了形成可调节性能的多层结构的能力.
结论:
- 这项研究提出了一种创新的方法,用于创建多功能多层托架结构.
- 开发的结构适用于需要低密度和独特承载能力的应用.
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