创新的2D材料增强了3d打印三明治晶格片嵌入复合材料：瞬态能量吸收特性的进步

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2025-05-25 DOI:10.1016/j.compositesa.2025.109057

J Jefferson Andrew , Muhammad Y Khalid , Wesley J Cantwell , Kamran A Khan , Prasad Potluri , Rehan Umer

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引用次数: 0

摘要

本研究研究了一种新型的3d打印夹层晶格嵌入复合材料层压板，旨在增强抗冲击性。除了参考体结构外，还建立了两种波纹纳米工程夹心晶格板几何形状的增材制造参数：三角形拓扑和弯曲拓扑。纳米复合材料夹心晶格片具有不同的石墨烯纳米血小板（GNP）浓度（0-0.5 wt%），并通过共灌注和共固化技术集成到玻璃纤维增强层压板中。这种创新的方法可以实现3d打印、纳米工程晶格片的无缝集成，在保留平面内特性的同时，局部化GNP增强以增强能量吸收，并提供可扩展的、工业兼容的增韧策略。在对晶格板集成层压板进行落锤冲击载荷之前，研究包括分析晶格板制造中使用的组成材料的分子组成、微观结构和体积特性。层压板在抗冲击性方面表现出优异的改善，与基线样品相比，初始崩溃载荷增加了~ 170%。这些夹层晶格结构有效地减少了损伤传播，并表现出优越的吸能特性，特别是在三角形夹层晶格嵌入层合板的情况下。该研究强调了三角形夹层晶格嵌板层压板的潜力，特别是那些具有优化GNP浓度的层压板，用于需要增强抗冲击性的应用。

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Innovative 2D material enhanced 3D-printed sandwich lattice sheet-embedded composites: Advancements in transient energy absorption characteristics

This research investigates a novel 3D-printed sandwich lattice sheet-embedded composite laminate designed for enhanced impact resistance. Additive manufacturing parameters have been established for two corrugated, nanoengineered sandwich lattice sheet geometries: triangular and curved topologies—in addition to reference bulk structures. Nanocomposite sandwich lattice sheets with varying Graphene Nano Platelet (GNP) concentrations (0–0.5 wt%) have been manufactured and integrated into glass fiber-reinforced laminates using co-infusion and co-curing techniques. This innovative approach enables seamless integration of 3D-printed, nanoengineered lattice sheets, preserving in-plane properties while localizing GNP reinforcement for enhanced energy absorption and offering a scalable, industrially compatible toughening strategy. The investigation involved analyzing the molecular composition, microstructure, and bulk properties of the constituent materials used in the lattice sheet fabrication, before subjecting the lattice sheet-integrated laminates to drop-weight impact loading. The laminates exhibited an excellent improvement in impact resistance, showing up to a ∼ 170 % increase in initial collapse load compared to baseline samples. These sandwich lattice structures effectively reduced damage propagation and displayed superior energy absorbing characteristics, notably in the case of the triangular sandwich lattice-embedded laminates. The study highlights the potential of triangular sandwich lattice sheet-embedded laminates, specifically those with optimized GNP concentrations, for applications requiring an enhanced impact resistance.

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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.