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首页> 外文期刊>ISRN Mechanical Engineering >Mechanical Characteristics of 6063 Aluminum-Steel Dust Composite
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Mechanical Characteristics of 6063 Aluminum-Steel Dust Composite

机译：6063铝钢粉尘复合材料的力学特性

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Studies on the effect of steel dust (EAF dust) addition on the mechanical properties of 6063 Aluminium alloy have been carried out. The cast composite samples contain steel dust from 2–20?wt% produced in sand mould. These cast samples were homogenized, cold rolled, and solution-treated. The solution treated samples were normalized in still air, some quenched in water while some were tempered after quenching. Tensile and hardness responses were determined in all these processed samples. The results obtained reveal that 10?wt% steel dust in aluminium 6063 improved the ultimate tensile strength to 111.09?MPa and a corresponding hardness of 51.2?HV. Microstructural analysis shows iron containing intermetallics which are well distributed in the matrix with its morphology depending on the heat treatment and deformation imposed on them. Tensile strength and hardness of the composites was also found to depend on the volume fraction of intermetallics in the matrix.
机译：研究了添加钢粉（EAF粉尘）对6063铝合金力学性能的影响。铸造的复合材料样品包含砂模中产生的2-20wt％的钢粉。将这些铸造样品均质化，冷轧并固溶处理。溶液处理过的样品在静止空气中进行归一化处理，一些在水中淬火，而另一些在淬火后回火。在所有这些处理过的样品中测定了拉伸和硬度响应。所得结果表明，铝6063中10％（重量）的钢粉将极限抗拉强度提高到111.09ΩMPa，相应的硬度为51.2ΩHV。显微组织分析表明，含铁金属间化合物在基体中分布良好，其形态取决于热处理和施加于它们的变形。还发现复合材料的拉伸强度和硬度取决于基体中金属间化合物的体积分数。

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