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首页> 外文期刊>Archives of Foundry Engineering >Influence of High-Temperature Treatment of Melt on the Composition and Structure of Aluminum Alloy
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Influence of High-Temperature Treatment of Melt on the Composition and Structure of Aluminum Alloy

机译：熔体的高温处理对铝合金成分和组织的影响

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The aim of the current study was to examine the structure of an alloy treated at various temperatures up to 2,000-2,100 °C. Among research techniques for studying alloy structure there were the electron and optical microstructure, X-ray structure, and spectral analysis, and for studying the developed furnace geometric parameters the authors employed mathematical modeling method. The research was performed using aluminum smelting gas-fired furnaces and electric arc furnaces. The objects of the study were aluminum alloys of the brand AK7p and AK6, as well as hydrogen and aluminum oxide in the melt. For determining the hydrogen content in the aluminum alloy, the vacuum extraction method was selected. Authors have established that treatment of molten aluminum alloy in contact with carbon melt at high temperatures of 2,000-2,100 °C has resulted in facilitating reduction of hydrogen and aluminum oxide content in the melt by 40- 43% and 50-58%, respectively, which is important because hydrogen and aluminum oxide adversely affect the structure and properties of the alloy. Such treatment contributes to the formation of the extremely fine-grained microstructure of aluminum alloy.
机译：当前研究的目的是检查在高达2,000-2,100°C的各种温度下处理的合金的结构。在研究合金结构的研究技术中，有电子和光学微观结构，X射线结构和光谱分析，为研究发达的炉子几何参数，作者采用数学建模方法。该研究是使用铝熔炼燃气炉和电弧炉进行的。研究的对象是品牌为AK7p和AK6的铝合金，以及熔体中的氢和氧化铝。为了确定铝合金中的氢含量，选择了真空萃取法。作者已经确定，在2,000-2,100°C的高温下对与碳熔体接触的熔融铝合金进行处理，可使熔体中的氢和氧化铝含量分别降低40-43％和50-58％。这很重要，因为氢和氧化铝会对合金的结构和性能产生不利影响。这种处理有助于形成铝合金的极细晶粒的微观结构。

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