四种类型的ABS格子结构的拉伸性能-一项比较研究
Katarina Monkova1,2, Peter Pavol Monka1,2, Romana Hricová1
1Faculty of Manufacturing Technologies, Technical University in Kosice, 080 01 Presov, Slovakia.
Polymers
|October 28, 2023
概括
这项研究比较了四个格子结构 (Cartesian, Rhomboid, Octagonal, Starlit) 由烯丁乙烯 (ABS) 制成,使用化纤维制造 (FFF). 卡尔特斯结构在抗拉强度方面表现出色,而罗姆波形结构则表现出优越的能量吸收和性.
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:
- 格子结构提供可调节的机械性能.
- 烯酸丁 styrene (ABS) 是一个常见的3D打印材料.
- 了解在拉力应力下不同格子拓的机械行为对于设计优化至关重要.
研究的目的:
- 为了比较四个格子结构的拉伸行为:卡特西安,罗姆波形,八角形和星光.
- 研究特定体积对这些结构的机械性能的影响.
- 为了确定最适合拉伸应力应用的网格结构.
主要方法:
- 四个格子结构 (Cartesian, Rhomboid, Octagonal, Starlit) 是通过合丝制造 (FFF) 使用烯酸丁 styrene (ABS) 制造的.
- 样品分为三个特定体积 (24%,42%,60%),每种类型分为五个复制品,共计60个样品.
- 根据EN ISO 527-1:2012和EN ISO 527-2:2012标准进行了拉伸测试,并对数据进行了严格的统计分析.
主要成果:
- 标本拓和特定体积显著影响了ABS格子结构的机械性能.
- 卡特西安格子结构在拉伸负荷下表现出最高的最终强度,屈服强度和模量.
- 状格子结构显示了最高的吸收能量和性,这表明对冲击应用的潜力.
结论:
- 卡特西亚格子结构对于需要高抗拉强度和刚度的应用是最佳的.
- 罗姆波形格子结构对能量吸收和性有希望,在冲击条件下需要进一步研究.
- 拓和特定体积是定制3D打印ABS格子结构机械性能的关键设计参数.
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