电绝缘用空心微珠/TiO2微纳环氧复合材料的介电性能

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-06-16 DOI:10.1016/j.matlet.2025.138948

Shin-Ki Hong, Changyeong Cheon, Myungchin Kim

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引用次数: 0

摘要

研究了微细空心球与纳米TiO2共填充的新型环氧复合材料的介电性能。与纯环氧树脂相比，填充1 wt%纳米级TiO2颗粒的空心球/TiO2环氧微纳米复合材料的击穿强度提高了7%。同时观察了硅烷处理填料的有效性。含有30%硅烷处理的空心球/环氧微复合材料的击穿强度提高了10%。虽然在较高的TiO2填料负载下，耗散系数显著增加，但硅烷处理可以降低这种增加。

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Dielectric properties of cenosphere/TiO2 micro-nano epoxy composites for electrical insulation

This paper studied the dielectric properties of novel epoxy composites co-filled with micro-sized cenosphere and nano-sized TiO₂ particles. Cenosphere/TiO₂ epoxy micro-nano composites filled with 1 wt% nano sized TiO₂ particles showed a 7% improvement in breakdown strength compared to pure epoxy resin. The effectiveness of silane-treated fillers was also observed. A cenosphere/epoxy micro-composite with 30 wt% silane-treated cenosphere exhibited a 10% improvement in breakdown strength. Although the dissipation factor showed a considerable increase at higher TiO₂ filler loadings, such increment could be reduced by silane-treatment.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive