用空心微珠增强环氧橡胶粉复合材料的力学性能和破坏行为

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materiale Plastice Pub Date : 2024-04-01 DOI:10.37358/mp.24.1.5703

Wu Zhe, Zhang Zhen, Xinlong Zhang, Haifeng Jiang, Zhongchi Zhang

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引用次数: 0

摘要

本文通过将不同质量分数（5%、10%、15%和 20%）的粉煤灰空心微珠作为新的增强相加入到含 5%质量分数炭黑橡胶粉的环氧树脂/橡胶粉两相复合材料中，制备了新型环氧树脂/橡胶粉/空心微珠三相复合材料。在室温下进行准静态压缩试验，测试氧树脂/橡胶粉/空心微珠复合材料的压缩性能。根据压缩曲线计算复合材料的能量吸收特性和能量吸收效率。通过扫描电子显微镜观察压缩材料试样的断裂特征与微观形貌。通过系统分析粉煤灰空心微珠含量对环氧树脂/橡胶粉/空心微珠三相复合材料力学性能的影响，发现粉煤灰空心微珠作为增强材料能有效改善环氧树脂/橡胶粉的脆性和屈服强度，提高复合材料的吸能性能和吸能效率。随着粉煤灰空心微珠质量分数的增加，环氧树脂/橡胶粉/空心微珠复合材料的吸能性能先增大后减小。在环氧树脂/橡胶粉/空心微珠复合材料中，当粉煤灰的质量分数为 10%时，其性能最为显著。

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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Mechanical Properties and Failure Behavior of Epoxy Rubber Powder Composites Reinforced with Hollow Beads

In this paper, new epoxy resin/rubber powder/hollow beads three-phase composites were prepared by designing the incorporation of fly ash hollow beads with different mass fractions (5%, 10%, 15%, and 20%) as new reinforcing phases into epoxy resin/rubber powder two-phase composites with 5% mass fraction of carbon black rubber powder. Quasi-static compression tests were conducted at room temperature to test the compressive properties of the oxygen resin/rubber powder/hollow beads composites. Calculate the energy absorption properties and energy absorption efficiency of the composites from the compression curves. Fracture characteristics of compressed material specimens with microscopic morphology were observed by scanning electron microscopy. By systematically analyzing the effect of fly ash hollow beads content on the mechanical properties of epoxy resin/rubber powder/hollow beads three-phase composites, it was found that fly ash hollow beads as reinforcing materials can effectively improve the brittleness and yield strength of epoxy resin/rubber powder as well as the energy-absorbing properties and efficiency of the composites. The energy absorption properties of the epoxy resin/rubber powder/hollow beads composites increased and then decreased with the increase in the mass fraction of fly ash hollow beads. In the epoxy resin/rubber powder/hollow beads composites, the most significant performance was observed when the mass fraction of fly ash was 10%.

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来源期刊

Materiale Plastice MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.40

自引率

25.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Materiale Plastice, abbreviated as Mater. Plast., publishes original scientific papers or guest reviews on topics of great interest. The Journal does not publish memos, technical reports or non-original papers (that are a compiling of literature data) or papers that have been already published in other national or foreign Journal.