3d打印连续碳纤维复合材料的热历史和多尺度分析

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2025-06-07 DOI:10.1016/j.compositesa.2025.109058

Fei Liu , Shenru Wang , Jie Zhang , Wuxiang Zhang , Laurens Snels , David Seveno , Eleonora Ferraris , Jan Ivens

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引用次数: 0

摘要

3d打印连续碳纤维复合材料的界面结合性能受到与打印参数相关的热历史的强烈影响。然而，在了解热历史对跨多个尺度的特定性质的影响方面仍然存在差距。本研究通过建立数值温度模型、计算流体动力学模型和沉积过程的代表性体积元方法，解决了在理解这些影响方面的差距。根据实验曲线对温度模型进行了验证，其中最大平均绝对差为4.5°C，获得了误差为29.8%的弯曲性能。通过两个模型，我们发现打印速度和层厚对界面结合和缺陷形成有显著影响。这项研究为热历史和界面行为之间的关系提供了见解，帮助机器开发人员提高结构性能，促进高质量复合材料的应用。

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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Thermal history and multi-scale analyses of 3D-printed continuous carbon fibre composites

The interfacial bonding properties of 3D-printed continuous carbon fibre composites are strongly influenced by the thermal history related to various printing parameters. However, there remains a gap in understanding the effects of thermal history on specific properties across multiple scales. This study addresses the gap in understanding these effects across multiple scales by developing a numerical temperature model, a computational fluid dynamics model and a representative volume element approach for the deposition process. The temperature model was validated against experimental profiles, where the maximum mean absolute difference is 4.5 °C, and the flexural performance with 29.8% error is obtained. Through two models, we found that print speed and layer thickness have a significant impact on interfacial bonding and defect formation. This study provides insights into the relationship between thermal history and interfacial behaviour, aiding machine developers in enhancing structural performance, and promoting the application of high-quality composites.

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.