在使用FDM3D打印使用PLA和PETG制造的薄壁柱子中,研究曲和故障
Denys Baranovskyi1, Pawel Wysmulski2, Patryk Rozylo2
1Faculty of Mechanics and Technology, Rzeszow University of Technology, 4 Kwiatkowskiego Street, 37-450 Stalowa Wola, Poland.
Materials (Basel, Switzerland)
|July 30, 2025
概括
这项研究在压缩下测试了3D打印的聚合物柱. PETG1表现出优越的屈曲阻力和最终负载能力,使其成为承载应用的理想选择.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 薄壁聚合物柱在轻质结构应用中使用.
- 在轴向压缩下了解它们的曲和故障行为至关重要.
- 沉积建模 (FDM) 3D打印为定制元件制造提供了潜力.
研究的目的:
- 实验性地研究FDM打印的PLA和PETG薄壁方形柱的曲和故障特性.
- 为了比较PLA和PETG在轴向压缩下的性能.
- 评估这些材料适用于承载应用的适用性.
主要方法:
- 使用FDM3D打印,对用PLA和PETG制成的薄壁方形柱体进行实验测试.
- 从初始曲到完全失败进行了轴向压缩测试.
- 用声学和光学诊断方法进行了全面的损害评估.
主要成果:
- 曲负荷:PLA (1175 ± 32 N),PETG1 (1910 ± 34 N),PETG2 (1315 ± 27 N) 等等.
- 最终负荷:PLA (2770 N),PETG1 (4077 N),PETG2 (2847 N) 这三种.
- PETG1显示出最高的电阻和能量吸收.
结论:
- 与PLA和PETG2相比,PETG1在曲负荷,终极负荷和能量吸收方面表现出优越的性能.
- PETG1是制造3D打印载荷柱子的有利材料选择.
- 该研究强调了FDM打印聚合物的结构部件的潜力.
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