使用增材制造开发环保的基岩填料增强的聚 (乳酸) 复合材料:一个实验性的见解
Praveenkumara Jagadeesh1, M R Sanjay1, G Rajeshkumar2
1Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, Thailand.
概括
环保的玄武岩填充剂增强了用于3D打印的聚乳酸 (PLA). 复合材料显示出更好的强度,硬度和热稳定性,适用于轻量级应用,如无人机底盘.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 增材制造 增材制造 增材制造
背景情况:
- 聚乳酸 (PLA) 是一种可生物降解的聚合物,具有3D打印的潜力.
- 提高PLA的机械和热性能对于更广泛的应用至关重要.
- 玄武岩填料提供了一种可持续且具有成本效益的增强选项.
研究的目的:
- 为了研究玄武岩填充剂对PLA3D打印的作用.
- 优化玄武岩填料含量,以提高复合材料的性能.
- 评估基岩增强PLA适用于轻量级组件的适用性.
主要方法:
- 准备了具有不同基岩填充剂含量 (0-5重量%) 的PLA纤维.
- 融合沉积建模 (FDM) 用于3D打印.
- 分析了机械,热和吸水性能.
主要成果:
- 拉力强度略有下降,而曲和冲击强度在3%重量基石时增加.
- 拉伸和屈曲模量,以及Shore D硬度随着基岩添加而显著改善.
- 盐填充剂增强了PLA复合材料的热稳定性和玻璃过渡温度.
- 5%重量百分比的玄武复合物显示增加了水的吸收.
结论:
- 岩填充剂充当热屏障,提高了PLA的热降解阻力.
- 1%和3%重量的玄武岩增强PLA复合材料适用于轻量级的3D打印部件.
- 应用包括塑料轮,无人机底盘和纸张加工机器的部件.
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