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优化用于生产口罩的3D打印参数
Victor Paes Dias Gonçalves1, Thayna Pereira Rangel2, Artur Camposo Pereira3
1Advanced Materials Laboratory-LAMAV, State University of the Northern Rio de Janeiro-UENF, Campos dos Goytacazes, RJ, Brazil.
概括
优化增材制造参数可以显著提高运动口罩材料的性能. 使用TPU和EVA的融沉积建模 (FDM) 和使用特定树脂的立体石刻 (SLA) 显示出增强的抗冲击和断裂行为.
科学领域:
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
- 增材制造 增材制造 增材制造
背景情况:
- 运动口罩需要高抗冲击性和断裂性,以提供有效的保护.
- 传统的制造方法可能会限制定制和机械优化.
- 增材制造 (AM) 提供了定制口罩制造的潜力.
研究的目的:
- 为了优化体育口罩材料的增材制造参数.
- 为了增强机械性能,特别是抗冲击和断裂行为.
- 评估用于口罩材料生产的沉积建模 (FDM) 和立体石刻 (SLA) 技术.
主要方法:
- 评估了使用TPU,EVA,DIMA树脂和IBT树脂的FDM和SLA技术.
- 多种打印参数,包括层厚度,方向和形/角度.
- 通过Izod冲击测试评估机械性能,并使用SEM分析骨折形态.
主要成果:
- 优化的SLA参数 (25μm,垂直,90°) 为DIMA (25.6 kJ/m2) 和IBT (8.64 kJ/m2) 带来了高抗冲击能力.
- 优化的FDM参数 (0.08毫米层高度,60毫米/秒,90度线) 导致TPU (31.2kJ/m2) 和EVA (21.8kJ/m2) 的抗冲击性能优越.
- 通过优化AM参数,SEM分析证实了缺陷的减少和骨折抵抗的提高.
结论:
- 增材制造可用于生产具有优化参数的机械高效口罩材料.
- 用FDM打印的TPU和EVA的抗冲击性能与商业材料相美.
- 优化的SLA增强了树脂性能,突出了AM在可定制,高性能口罩方面的潜力.
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