Evolution of microstructure and mechanical properties of A356 aluminium alloy processed by hot spinn

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微观结构的进化和合金使遭到了到热旋转过程的 A356 铝的机械性质被调查了。结果显示变丑处理一致微观结构并且改进了 A356 铝合金的机械性质。在热旋转过程期间,最容易溶解的 Si 粒子和 Fe 富有的阶段被碎裂,并且孔被消除。另外,艾尔矩阵的再结晶和 AlSiTi 阶段的降水发生了。测试结果的机械性质显示有韧性的重要增加和在在以印模铸造的合金上的使变形的合金的平均 microhardness 的减少。这被归因于更好的球形的最容易溶解的 Si 粒子的一致分发,扔缺点并且到重新使结晶的更好的谷物结构的消除。
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