首页> 外文期刊>International journal of nanomechanics science and technology >INFLUENCE OF SILICON ADDITION ON THE PHASE COMPOSITION OF ALUMINUM-MATRIX COMPOSITE MATERIALS REINFORCED BY SILICON CARBIDE PARTICLES
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INFLUENCE OF SILICON ADDITION ON THE PHASE COMPOSITION OF ALUMINUM-MATRIX COMPOSITE MATERIALS REINFORCED BY SILICON CARBIDE PARTICLES

机译:硅的添加对碳化硅颗粒增强的铝基复合材料相组成的影响

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摘要

This article presents the analysis of the Al-Si-C phase diagram, as well as the isothermal and polythermal sections. The silicon concentration in the aluminum-matrix alloy, excluding the formation of aluminum carbide (Al_4C_3), is substantiated theoretically. In order to verify the calculations, experimental studies were conducted, which confirm that formation of aluminum carbide does not take place in samples containing silicon in an amount of ≥12% in the aluminum-matrix alloy. It is shown that the experimental values of the amount of the Al_4C_3 phase were significantly lower than the calculated ones, which is explained by a short time of contact between the aluminum melt and particles of silicon carbide.
机译:本文介绍了Al-Si-C相图以及等温和多热截面的分析。从理论上证实了铝基合金中除碳化铝(Al_4C_3)以外的硅浓度。为了验证计算结果,进行了实验研究,这些研究证实,在铝基合金中硅含量≥12%的样品中不会形成碳化铝。结果表明,Al_4C_3相含量的实验值明显低于计算值,这可以通过铝熔体与碳化硅颗粒之间的短时间接触来解释。

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