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Updated: May 10, 2025

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混合复合金属接头的优化:单引脚
Ruopu Bian1,2, Bin Wang2, Hongying Yang1
1College of Intelligent Textile and Fabric Electronics, Zhongyuan University of Technology, Zhengzhou 450007, China.
为航空航天关节优化添加剂制造的钉钉显著降低了应力度. 理想的单针设计,60°的角度和3.43mm的高度,最大限度地减少机械应力,以提高性能.
科学领域:
- 航空航天工程 航空航天工程
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 航空航天行业的运营开支可以通过改进复合材料和金属联合方法来减少.
- 钉钉的增材制造为航空航天应用提供了一种创新的连接技术.
研究的目的:
- 分析具有增材制造的钉钉的接头的机械强度.
- 通过研究几何形状对关节性能的影响和最大限度地降低应力度来优化针形状.
主要方法:
- 用有限元分析 (FEA) 和膝盖剪切测试来检查金属到复合材料的关节配置.
- 进行了数值模拟,以确定应力位置和指导针配置优化.
- 增材制造被用来生产优化的针设计,用于实验验证.
主要成果:
- 引脚的最大切削应力是在引脚底部和金属板之间的结点上发现的.
- 优化针形状和尺寸显著减轻了剪切和轴应力.
- 最佳的单针配置 (60°角,3.43mm高度) 实现了最小的剪切应力,与模拟结果保持一致.
结论:
- 该研究验证了数值优化和增材制造在改进钉设计方面的有效性.
- 最佳的单针设计表明压力度降低,为更高效的航空航天接头铺平了道路.
- 进一步的研究将集中在基于成功的单引脚优化的多引脚配置上.
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