Effect of Mg content on Age Hardening of an Extruded Al-Si-Mg-Mn alloy

机译：Mg含量对挤出的Al-Si-Mg-Mg-Mn合金年龄硬化的影响

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The main task of this study was to investigate the effect of Mg content on hardness of extruded Al-Si-Mg-Mn alloy after solution and artificial ageing heat-treatments. The Al-Si-Mg-Mn alloys with the variation of Mg content were fabricated through casting, homogenization and extrusion processes. The extruded samples were heat-treated - T6 temper. Thermal analysis with metallurgical examination was performed in order to optimize the condition of solution heat-treatment. Then, microstructure change was discussed by using optical microscopy and SEM-EDS. And the corresponding Vickers hardness was measured as a function of ageing time. It was found that the Vickers hardness slightly increased due to improved ageing efficiency and increased hard phase as the Mg content increased.

机译：该研究的主要任务是探讨Mg含量对溶液和人工老化热处理后挤出的Al-Si-Mg-Mn合金硬度的影响。通过浇铸，均化和挤出方法制造具有Mg含量变化的Al-Si-Mg-Mn合金。将挤出的样品进行热处理 - T6脾气。进行冶金检查的热分析，以优化溶液热处理的条件。然后，通过使用光学显微镜和SEM-EDS讨论微观结构变化。并且相应的维氏硬度被测量为老化时间的函数。结果发现，由于镁含量增加，由于改善的老化效率和增加的硬相增加，维氏硬度略微增加。

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来源
《International Conference on Manufacturing》|2013年||共5页
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作者
Bonghwan Kim; Sukwon Jung; Youngok Yoon; Hyunkyu Lim; Shae K. Kim;
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中图分类 TB3-53;
关键词
Al-Si-Mg-Mn; Heat-treatment; Extrusion; Age hardening; Precipitation;

机译：的Al-Si -Mg系的Mn;热处理;挤出;时效硬化;降水;

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Effect of Mg content on Age Hardening of an Extruded Al-Si-Mg-Mn alloy

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