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3D打印连续竹纤维增强PE复合材料的机械和热性能

Haiyu Qiao¹, Qian Li¹, Yani Chen¹

¹School of Mechanical and Electrical Engineering, Soochow University, Suzhou 215000, China.

Materials (Basel, Switzerland)

|February 13, 2025

概括

这项研究引入了一种新方法,用于使用经过处理的连续竹纤维和聚乙烯制造强大,环保的复合材料. 由此产生的3D打印材料与纯聚乙烯相比显著提高了机械强度.

科学领域:

材料科学材料科学材料科学
复合材料复合材料复合材料
生物材料是一种生物材料.

背景情况:

连续合成纤维提供高性能,但不可再生和昂贵.
生物来源的材料为复合材料增强提供了可持续的替代品.
开发天然纤维复合材料需要有效的纤维矩阵界面粘合.

研究的目的:

开发一种易于制备连续竹纤维增强聚乙烯 (CBF/PE) 复合材料的方法.
通过处理和3D打印来增强CBF/PE复合材料的机械性能.
研究制造复合材料的界面粘接和机械性能.

主要方法:

两步制备:对连续的竹纤维进行处理,然后用聚乙烯进行3D打印.
处理以增加表面积并促进纤维矩阵粘附.
在热和压力下,3D打印使化聚乙烯浸到经过处理的竹纤维中.

主要成果:

经过处理的CBF (T-CBF) 显示出更好的机械性能和与聚乙烯的增强界面粘合.
T-CBF/PE复合纤维的抗拉强度达到15.6 MPa,超过纯PE的7.7 MPa.
与纯PE相比,T-CBF/PE的3D打印批量显示拉伸强度增加了77%,Young的模量提高了1.76倍.

结论:

处理和3D打印为制造高性能连续天然纤维增强复合材料提供了有效的途径.
在T-CBF和PE之间增强的接口粘附有助于优越的机械增强.
这项研究为生产先进复合材料提供了一种可持续且潜在的成本效益高的方法.

关键词:

在3D打印中使用3D打印.竹子纤维是一种纤维.连续的自然纤维连续的自然纤维.纤维塑料接口接口机械性能机械性能机械性能热性质热性质热性质

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