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首页> 外文期刊>Journal of Materials Engineering and Performance >Influence of SiC Particles Distribution and Their Weight Percentage on 7075 Al Alloy
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Influence of SiC Particles Distribution and Their Weight Percentage on 7075 Al Alloy

机译：SiC颗粒分布及其重量百分比对7075铝合金的影响

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摘要

The stir casting method was used for fabrication of 7075 aluminum alloy with 10 wt.% SiC particles of size 20-40 μm. The research objective of this paper are to achieve uniform distribution of SiC particles in the 7075 aluminum alloy matrix, characterization, and analysis of mechanical properties of composite formed. Experiments were carried out at stirring speeds of 500, 650, 750 rpm, and stirring period of 10 min. Microstructures of aluminum alloy and composites with 5, 10 wt.% SiC reinforcements were examined. The results reveal that composite produced at stirring speed of 650 rpm and stirring time of 10 min has uniform distribution of SiC particles. XRD and EDAX analysis were carried out for 7075 Al alloy and composite with 10 wt.% SiC reinforcement. No adverse reaction was observed in XRD and EDAX of composite with 10 wt.% SiC reinforcement. Tensile strength and hardness increased by 12.74% and 10.48%, respectively, with the increase in percentage of SiC reinforcement from 5 to 15 wt.%.
机译：搅拌铸造法被用于制造7075铝合金，其具有10wt。％的尺寸为20-40μm的SiC颗粒。本文的研究目标是使SiC颗粒在7075铝合金基体中均匀分布，表征和分析复合材料的力学性能。实验在500、650、750 rpm的搅拌速度下进行，搅拌时间为10分钟。检查了具有5、10 wt。％SiC增强材料的铝合金和复合材料的微观结构。结果表明，以650 rpm的搅拌速度和10 min的搅拌时间生产的复合材料具有均匀的SiC颗粒分布。对7075铝合金和含10 wt。％SiC增强材料的复合材料进行了XRD和EDAX分析。在具有10wt。％SiC增强的复合材料的XRD和EDAX中未观察到不利反应。拉伸强度和硬度分别提高了12.74％和10.48％，SiC增强百分比从5％增至15％。

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