Effect of hollow beads content in aluminum oxide hollow beads reinforced epoxy composites on mechanical and energy absorption properties of the composites Auswirkungen des Gehalts an Hohlkugeln in mit Aluminiumoxid-Hohlkugeln verstärkten Epoxid-Verbundwerkstoffen auf die mechanischen und energieabsorbierenden Eigenschaften der Verbundwerkstoffe

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Materialwissenschaft und Werkstofftechnik Pub Date : 2024-12-11 DOI:10.1002/mawe.202400163

Z. Wu, Q. Gao, Q. Wang, Y. Wang, Z. Zhang, Y. Zhang

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Abstract

Aluminum oxide hollow microbeads/epoxy resin composite is a kind of epoxy resin-based multi-porous energy-absorbing material. This study improved the brittleness and toughness of epoxy resin. Adding hollow aluminum oxide microbeads with different mass fractions increased the energy absorption capacity. Quasi-static compression tests were carried out at room temperature to test the compression properties of epoxy resin/hollow microbead composites. The composites′ energy absorption properties and energy absorption efficiency were analyzed and calculated using the obtained compression curves. The fracture characteristics and microscopic morphology of the composite specimens were observed by scanning electron microscopy. It was found that aluminum oxide hollow microbeads, as reinforcement material, can effectively improve the brittleness and yield strength of epoxy resin materials and enhance the energy absorption performance and energy absorption efficiency of composite materials. With the increase in the mass fraction of hollow microbeads, the energy absorption performance of the composite material first increases and then decreases. Its performance is the most significant when the mass fraction of aluminum oxide hollow microbeads is 10 %.

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氧化铝空心微珠/环氧树脂复合材料是一种基于环氧树脂的多孔吸能材料。本研究改善了环氧树脂的脆性和韧性。添加不同质量分数的空心氧化铝微珠提高了能量吸收能力。在室温下进行了准静态压缩试验，以测试环氧树脂/空心微珠复合材料的压缩性能。利用获得的压缩曲线对复合材料的能量吸收性能和能量吸收效率进行了分析和计算。用扫描电子显微镜观察了复合材料试样的断裂特征和微观形态。研究发现，氧化铝空心微珠作为增强材料，能有效改善环氧树脂材料的脆性和屈服强度，提高复合材料的吸能性能和吸能效率。随着空心微珠质量分数的增加，复合材料的能量吸收性能先增大后减小。当氧化铝空心微珠的质量分数为 10 % 时，其性能最为显著。

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来源期刊

Materialwissenschaft und Werkstofftechnik 工程技术-材料科学：综合

CiteScore

2.10

自引率

9.10%

发文量

154

审稿时长

4-8 weeks

期刊介绍： Materialwissenschaft und Werkstofftechnik provides fundamental and practical information for those concerned with materials development, manufacture, and testing. Both technical and economic aspects are taken into consideration in order to facilitate choice of the material that best suits the purpose at hand. Review articles summarize new developments and offer fresh insight into the various aspects of the discipline. Recent results regarding material selection, use and testing are described in original articles, which also deal with failure treatment and investigation. Abstracts of new publications from other journals as well as lectures presented at meetings and reports about forthcoming events round off the journal.