微纳米二氧化硅混合颗粒对环氧胶粘剂动态压缩性能的影响

IF 1.68 Q2 Dentistry

Applied Adhesion Science Pub Date : 2017-02-02 DOI:10.1186/s40563-017-0083-y

Yohanes, Yasuhisa Sekiguchi

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引用次数: 13

摘要

采用分离式霍普金森压力棒研究了微纳米二氧化硅混合颗粒对环氧复合材料动态刚度、应力传递率和能量吸收的影响。结果表明，无论硅粉的粒径大小和组成比如何，随着硅粉质量分数的增加，硅粉的动刚度显著增加。然而，当温度接近tg时，这种效应变得不那么显著。微纳米二氧化硅颗粒的掺入降低了环氧树脂的动刚度和应力传递率，增加了环氧树脂的能量吸收。在保持环氧树脂高刚度性能的同时，找到了能最大限度地吸收能量的最佳配比。所得结果可用于环氧/硅胶粘剂的性能设计。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effects of mixed micro and nano silica particles on the dynamic compressive performances of epoxy adhesive

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Effects of mixed micro and nano silica particles on the dynamic compressive performances of epoxy adhesive

Effects of mixed micro and nano silica particles on the dynamic stiffness, stress transmissibility, and energy absorption of the epoxy composite were investigated using the split Hopkinson pressure bars. It was found that the dynamic stiffness significantly increased with silica weight fraction regardless of its sizes and composition ratio. However, the effect became less significant as the temperature approached T _g. It was also found that mixed micro and nano silica particles decreased both the epoxy dynamic stiffness and the stress transmissibility, and increased the energy absorption. The optimum composition ratio was found to maximize the energy absorption while maintaining high stiffness performance of epoxy. The results obtained in the present work can be used to design the performance of epoxy/silica adhesive for appropriate applications.

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来源期刊

Applied Adhesion Science Dentistry-Dentistry (miscellaneous)

自引率

0.00%

发文量

审稿时长

13 weeks

期刊介绍： Applied Adhesion Science focuses on practical applications of adhesives, with special emphasis in fields such as oil industry, aerospace and biomedicine. Topics related to the phenomena of adhesion and the application of adhesive materials are welcome, especially in biomedical areas such as adhesive dentistry. Both theoretical and experimental works are considered for publication. Applied Adhesion Science is a peer-reviewed open access journal published under the SpringerOpen brand. The journal''s open access policy offers a fast publication workflow whilst maintaining rigorous peer review process.