在注塑成型 (IM),化丝制造 (FFF) 和阿尔堡塑料自由成型 (APF) 工艺中对机械性能进行比较分析
Caolan Jameson1, Declan M Devine1, Gavin Keane2
1PRISM Research Institute, Technological University of the Shannon: Midlands Midwest, Athlone Campus, University Road, N37 HD68 Athlone, Ireland.
Polymers
|April 12, 2025
概括
化丝制造 (FFF) 为聚碳酸 (PC) 和烯丁烯 (ABS) 部件提供了高冲击强度,这是由于孔隙性. 然而,阿伯格塑料自由成型 (APF) 和注塑 (IM) 为坚固的部件提供了更高的拉伸和曲强度.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物工程 聚合物工程
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 聚碳酸 (PC) 和烯酸 (ABS) 是广泛使用的热塑性塑料.
- 增材制造 (AM) 工艺,如化纤维制造 (FFF) 和阿尔堡塑料自由成型 (APF) 提供了设计灵活性.
- 将AM技术与传统注塑成型 (IM) 进行比较对于材料选择至关重要.
研究的目的:
- 通过FFF,APF和IM制造的PC/ABS的机械性能进行调查和比较.
- 了解制造工艺对材料性能的影响.
- 为PC/ABS组件选择最佳的AM流程提供见解.
主要方法:
- 使用FFF,APF和IM制造PC/ABS样品.
- 使用差分扫描热量计 (DSC),扫描电子显微镜 (SEM) 和动态机械热分析 (DMA) 的材料表征.
- 机械测试包括冲击,曲和拉伸强度测量.
主要成果:
- 由于孔隙性,FFF样本显示了最高的冲击强度 (28.82 kJ/m2).
- 与APF相比,FFF样本的屈曲 (9.14%) 和拉伸 (19.27%) 强度降低了.
- APF表现出与IM相当的机械性能,实现了最高的抗拉强度.
结论:
- FFF的孔隙性增强了抗冲击能力,但损害了其他机械性能.
- APF是一种可行的AM工艺,用于生产具有高抗拉强度的PC/ABS组件,与IM相比.
- 工艺选择显著影响PC/ABS的机械性能,APF和IM在拉伸和屈曲强度方面优越.
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