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首页> 外文会议>International conference on aluminium alloys >Effects of Si Addition on the Microstructure and Tensile Property of Al-xMg Alloys with Al_2Ca during Heat Treatment (x: 5 and 7 Mass)
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Effects of Si Addition on the Microstructure and Tensile Property of Al-xMg Alloys with Al_2Ca during Heat Treatment (x: 5 and 7 Mass)

机译：硅添加量对热处理过程中含Al_2Ca的Al-xMg合金的显微组织和拉伸性能的影响（x：5和7质量％）

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摘要

Effects of Si addition on the microstructure, fluidity and tensile property of Al-5/7mass%Mg alloys with Mg+Al_2Ca master alloy as Mg raw material were investigated in this study. With 7 mass%Si addition, the fluidity was remarkably improved in both Al-5Mg and Al-7Mg alloys. With increasing the Si content, the amount of the eutectic phases was increased in the microstructures. As a result of the tensile test, there was a drastic reduction in elongation with increasing Si content. Al-5Mg-7Si alloy showed a significant improvement of strength after solution heat treatment and artificial aging.
机译：研究了添加Si对以Mg + Al_2Ca中间合金为Mg原料的Al-5 / 7质量％Mg合金的组织，流动性和拉伸性能的影响。通过添加7质量％的Si，在Al-5Mg和Al-7Mg合金中的流动性都得到显着改善。随着Si含量的增加，在微结构中共晶相的数量增加。拉伸试验的结果是，随着Si含量的增加，伸长率急剧降低。经过固溶热处理和人工时效处理后，Al-5Mg-7Si合金的强度显着提高。

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