Cryogenic mechanical properties and liquid oxygen compatibility of MXene/epoxy nanocomposites

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Advanced Composites and Hybrid Materials Pub Date : 2024-09-26 DOI:10.1007/s42114-024-00975-7

De-Yi Qu, Fang-Liang Guo, Wan-Dong Hou, Jun-Fei Long, Yuan-Qing Li, Shao-Yun Fu

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Abstract

Due to their great potential in saving weight, carbon fiber–reinforced epoxy composites are receiving great interests for the liquid oxygen (LOX) cryotank as the largest component in the spacecraft propulsion system. However, the application of epoxy resins as matrices in LOX composite cryotanks is severely constrained by their LOX incompatibility and poor cryogenic mechanical properties. To address these issues, two-dimensional MXene nanosheets as multifunctional fillers are introduced into an epoxy resin, and the effects of MXene on the cryogenic mechanical properties and liquid oxygen compatibility of the epoxy resin are comprehensively examined. It is interestingly observed that the mechanical properties at both room temperature (RT) and cryogenic temperature (90 K) of the epoxy resin, including tensile strength, elastic modulus, and fracture toughness, are significantly enhanced with the addition of low content MXene; and the MXene/epoxy nanocomposite with 0.10 wt.% MXene exhibits the optimal mechanical performances. MXene is also effective in enhancing the LOX compatibility of the epoxy, and the MXene/epoxy nanocomposite with 0.20 wt.% MXene completely passes the LOX impact test. In overall, the MXene/epoxy nanocomposite with simultaneously enhanced cryogenic mechanical properties and LOX compatibility is promising for applications in LOX composite tanks.

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MXene/epoxy 纳米复合材料的低温力学性能和液氧相容性

由于碳纤维增强环氧复合材料在减轻重量方面具有巨大潜力，因此人们对其在作为航天器推进系统最大部件的液氧（LOX）低温槽中的应用产生了浓厚兴趣。然而，环氧树脂作为基材在液氧复合材料低温槽中的应用却因其与液氧不相容和低温机械性能差而受到严重限制。为了解决这些问题，在环氧树脂中引入了二维 MXene 纳米片作为多功能填料，并全面研究了 MXene 对环氧树脂低温力学性能和液氧相容性的影响。有趣的是，加入低含量的 MXene 后，环氧树脂在室温（RT）和低温（90 K）下的力学性能（包括拉伸强度、弹性模量和断裂韧性）都得到了显著提高；而含 0.10 wt.% MXene 的 MXene/环氧纳米复合材料则表现出最佳的力学性能。MXene 还能有效提高环氧树脂的 LOX 相容性，含 0.20 wt.% MXene 的 MXene/环氧纳米复合材料完全通过了 LOX 冲击测试。总之，MXene/环氧纳米复合材料的低温力学性能和LOX兼容性同时得到了增强，有望在LOX复合罐中得到应用。图文摘要

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.