Damping and mechanical properties of SiC particles reinforced aluminium matrix composites prepared by colloidal dispersion and suction filtration method

IF 1.9 4区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Powder Metallurgy Pub Date : 2024-01-15 DOI:10.1177/00325899231223415

Xue Feng Wang, Li Tao Chen, Yong Sun, Zhao Zhao Lv, Yu Bo Jia, Yong Chun Guo, Hua Hui Yi

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引用次数: 0

Abstract

In order to uniformly distribute SiCp in the aluminium matrix and prepare SiCp/Al composites with high mechanical and damping properties, a preparation method of colloidal dispersion and suction filtration was developed. It was observed from the microstructure of the composites that the SiCp/Al composites prepared by colloidal dispersion and suction filtration method had good interfacial structures, and the interfacial reaction between SiCp and aluminium matrix was effectively inhibited. Tensile mechanical properties at room temperature and damping properties in the temperature range of 25 °C to 300 °C were tested for the SiCp/Al composites with volume fractions of 5% to 10%. The results showed that SiCp/Al composites have excellent mechanical and damping properties when the volume fraction of SiCp was 7%. This is because SiCp were uniformly distributed in the aluminium matrix, and formed a good interfacial bond with the aluminium matrix, which benefitted both the interfacial slip loss and the strengthening effect of SiCp.

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胶体分散和抽吸过滤法制备的碳化硅颗粒增强铝基复合材料的阻尼和力学性能

为了使 SiCp 在铝基体中均匀分布，制备出具有高力学性能和阻尼性能的 SiCp/Al 复合材料，开发了胶体分散和吸滤的制备方法。从复合材料的微观结构可以看出，胶体分散和吸滤法制备的 SiCp/Al 复合材料具有良好的界面结构，有效抑制了 SiCp 与铝基体之间的界面反应。测试了体积分数为 5%至 10%的 SiCp/Al 复合材料在室温下的拉伸力学性能以及在 25 °C 至 300 °C 温度范围内的阻尼性能。结果表明，当 SiCp 体积分数为 7% 时，SiCp/Al 复合材料具有优异的机械性能和阻尼性能。这是因为 SiCp 均匀地分布在铝基体中，并与铝基体形成了良好的界面结合，这既有利于界面滑移损失，也有利于 SiCp 的增强效果。

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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来源期刊

Powder Metallurgy 工程技术-冶金工程

CiteScore

2.90

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： Powder Metallurgy is an international journal publishing peer-reviewed original research on the science and practice of powder metallurgy and particulate technology. Coverage includes metallic particulate materials, PM tool materials, hard materials, composites, and novel powder based materials.