正面聚合连续碳纤维增强聚合物复合材料的反应挤出

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2024-11-28 DOI:10.1016/j.compositesa.2024.108609

Nadim S. Hmeidat , Michael Zakoworotny , Yun Seong Kim , Thien B. Le , Gavin DeBrun , Rohan Shah , Jacob J. Lessard , Jeffery S. Moore , Jeffery W. Baur , Philippe H. Geubelle , Nancy R. Sottos , Sameh H. Tawfick

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引用次数: 0

摘要

碳纤维增强聚合物（CFRP）复合材料的制造需要快速和节能的策略。正面聚合（FP）使使用符合这些要求的双环戊二烯（DCPD）热固性聚合物制造CFRP成为可能。在这项工作中，我们介绍了CFRP （RE-CFRP）的反应挤出，其中两个辊提供局部的热量和压力，以维持固化反应和连续的碳纤维束预浸渍DCPD。研究了挤压速度、温度和压实力对CFRP性能的影响。力学试验证实，所得到的纤维体积分数和弹性模量与大块固化纤维相似。建立了均质化热化学模型，研究了工艺参数对聚合反应的影响。该工艺通过挤压和原位固化直接生产空心编织复合管。总的来说，这种工艺在固化、加工、速度和能源方面具有优势。

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Reactive extrusion of frontally polymerizing continuous carbon fiber reinforced polymer composites

The manufacturing of carbon fiber-reinforced polymer (CFRP) composites demands rapid and energy-efficient strategies. Frontal polymerization (FP) enables the manufacturing of CFRP using dicyclopentadiene (DCPD) thermoset polymer which meets these requirements. In this work, we introduce reactive extrusion of CFRP (RE-CFRP), where two rollers provide localized heat and pressure to sustain the curing reaction and the consolidation of a continuous carbon fiber tow pre-impregnated with DCPD. We study the effect of the extrusion speed, temperature, and compaction force on the properties of the produced CFRP. Mechanical testing confirms that the resulting fiber volume fraction and the elastic modulus are similar to bulk cured tows. A homogenized thermo-chemical model is developed to study the effect of the process parameters on the polymerization reaction. The process produces hollow woven composite tubes directly via extrusion and in situ curing. Overall, this process offers advantages in curing, tooling, speed, and energy.

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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.