嵌入式3D打印UV可固化热固化复合材料与连续纤维的3D打印
Yuchen Ding1, Alston X Gracego1, Yuanrui Wang1
1Department of Mechanical Engineering, University of Colorado Denver, Denver, CO 80217, USA. martin.dunn@ucdenver.edu.
Materials horizons
|June 27, 2024
概括
本研究介绍了一种用于连续纤维复合材料的创新3D打印方法,可以对纤维体积分和矩阵材料进行动态控制,用于先进的材料制造.
科学领域:
- 材料科学 材料科学 材料科学
- 添加剂制造 添加剂制造 添加剂制造
- 复合材料 复合材料 复合材料
背景情况:
- 对于连续纤维复合材料,现有的基于挤出的3D打印方法在喷嘴浸方面面临着挑战.
- 限制包括控制纤维对齐的困难,空隙含量和材料的多功能性.
研究的目的:
- 介绍一种创新的嵌入式3D打印技术,用于制造高质量的连续纤维复合材料.
- 通过实现动态控制和增强制造能力来克服当前方法的局限性.
主要方法:
- 使用沉积喷嘴精确地将连续纤维放置在树脂表面下.
- 采用激光束,在纤维束周围的树脂同时在现场固化.
- 与各种商业树脂和钢筋纤维展现了多功能性.
主要成果:
- 实现了高质量的复合样本,纤维对齐良好,空隙密度最小化.
- 在印刷复合样本中表现出卓越的机械性能.
- 成功证明了在打印过程中纤维体积分数和矩阵材料变化的动态控制.
- 可在没有支材料的曲路径和悬浮结构上进行打印.
结论:
- 开发的嵌入式3D打印技术比现有方法具有显著的优势.
- 呈现了制造各种应用的先进热固化复合材料的新能力.
- 预计将成为未来复合材料开发的有影响力的方法.
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