一种基于水泥的FGM复合材料的3D打印方法,含有颗粒软木,聚烯纤维和聚乙烯网间层
Daniel Pietras1, Wojciech Zbyszyński2, Tomasz Sadowski1
1Department of Solid Mechanics, Lublin University of Technology, Nadbystrzycka 40 Str., 20-618 Lublin, Poland.
Materials (Basel, Switzerland)
|June 28, 2023
概括
这项研究引入了一种新的3D打印水泥复合材料,采用软木和聚合物增强. 这种材料对建筑有希望,在故障后提供更好的稳定性和残余强度.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 增材制造 (AM) 正在建设中获得引力,需要先进的复合材料.
- 现有的水泥复合材料往往缺乏强大的3D打印应用所需的性能.
研究的目的:
- 开发和评估一种可3D打印的新型基于水泥的复合材料,用天然软木,聚乙烯网和聚烯纤维增强.
- 评估用于建筑应用的这种新型复合材料的物理和机械性能.
主要方法:
- 一种基于水泥的复合材料的配制,其中包括颗粒软木,连续聚乙烯间层网和聚烯纤维.
- 在3D打印过程中和之后测试物理和机械性能,包括压力性,倾斜和大象脚效应.
- 在冰解条件下评估材料的行为.
主要成果:
- 复合材料表现出正向性质,与垂直方向相比,在层堆叠方向的压力强度较低.
- 聚乙烯网强化降低了压力性,但显著减少了落和大象脚效应.
- 净增强提供了剩余强度,允许在脆性故障后继续使用.
结论:
- 这种新型的软木增强水泥复合材料与聚合物净增强材适用于建筑行业的3D打印.
- 加强策略增强了尺寸稳定性,并引入了故障后的残余强度.
- 进一步开发这种材料可以推进3D打印可用的建筑技术.
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