用于热固性复合材料的快速成型三维短碳纤维支架

IF 1.8 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY MRS Communications Pub Date : 2024-03-26 DOI:10.1557/s43579-024-00548-1

Chunyan Zhang, Kelvin Fu

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引用次数: 0

摘要

短纤维增强聚合物复合材料具有在复杂几何形状中的灵活性和成本效益等优点，但由于短纤维的随机取向，其机械性能通常较低。在这项工作中，介绍了一种利用剪切力创建具有定制纤维排列的三维支架的新工艺，用于制造短碳纤维（SCF）增强热固性复合材料。计算机断层扫描测试证实了短碳纤维沿印刷方向的排列。结果表明，与纯环氧树脂相比，排列整齐的 SCF 增强环氧树脂复合材料的拉伸强度提高了 190%，拉伸模量提高了 388%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Additively manufactured 3D short carbon fiber scaffold for thermoset composites

Short-fiber-reinforced polymer composites offer advantages, like flexibility in complex geometries and cost-effectiveness, but typically exhibit lower mechanical properties because of the random orientation of short fibers. In this work, a novel process utilizing shear force to create 3D scaffold with customized fiber alignment for the manufacturing of short carbon fibers (SCF)-reinforced thermoset composites has been presented. The Computed tomography test confirmed the alignment of the SCF along printing directions. The results demonstrate that the aligned SCF-reinforced epoxy composites exhibited a 190% improvement in tensile strength and 388% improvement in tensile modulus compared to neat epoxy.

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来源期刊

MRS Communications MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

2.60

自引率

10.50%

发文量

166

审稿时长

>12 weeks

期刊介绍： MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.