纳米碳化硅对Al/SiC纳米复合材料尺寸稳定性的影响

4区材料科学 Q2 Engineering

Advances in Materials Science and Engineering Pub Date : 2008-02-24 DOI:10.1155/2008/835746

Seyed Mojtaba Zebarjad, S. Sajjadi, E. Karimi

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引用次数: 11

摘要

本文主要研究了碳化硅(SiC)粒度对铝尺寸稳定性的影响。采用高能球磨机制备了3种不同SiC粒径(25𝜇m、5𝜇m和70 nm)的Al/SiC复合材料。采用粉末冶金法制备了标准样品。将样品在膨胀计中以不同的升温速率(即10、30、40和60°C/min)从室温加热到500°C。结果表明:在微碳化硅和纳米碳化硅的存在下，铝的温度敏感性随温度的升高而降低;在相同条件下，Al/SiC纳米复合材料的尺寸稳定性优于常规Al/SiC复合材料。

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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Influence of Nanosized Silicon Carbide on Dimensional Stability of Al/SiC Nanocomposite

This study concentrated on the role of particle size of silicon carbide (SiC) on dimensional stability of aluminum. Three kinds of Al/SiC composite reinforced with different SiC particle sizes (25 𝜇m, 5 𝜇m, and 70 nm) were produced using a high-energy ball mill. The standard samples were fabricated using powder metallurgy method. The samples were heated from room temperature up to 500∘C in a dilatometer at different heating rates, that is, 10, 30, 40, and 60∘C/min. The results showed that for all materials, there was an increase in length change as temperature increased and the temperature sensitivity of aluminum decreased in the presence of both micro- and nanosized silicon carbide. At the same condition, dimensional stability of Al/SiC nanocomposite was better than conventional Al/SiC composites.

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来源期刊

Advances in Materials Science and Engineering Materials Science-General Materials Science

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Advances in Materials Science and Engineering is a broad scope journal that publishes articles in all areas of materials science and engineering including, but not limited to: -Chemistry and fundamental properties of matter -Material synthesis, fabrication, manufacture, and processing -Magnetic, electrical, thermal, and optical properties of materials -Strength, durability, and mechanical behaviour of materials -Consideration of materials in structural design, modelling, and engineering -Green and renewable materials, and consideration of materials’ life cycles -Materials in specialist applications (such as medicine, energy, aerospace, and nanotechnology)