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Evolution of micro-chemistry during solidification and homogenisation of AA 3xxx aluminium–manganese alloys
Materials Science and Technology ( IF 1.8 ) Pub Date : 2021-08-13 , DOI: 10.1080/02670836.2021.1963540
Olaf Engler 1 , Thiemo Brüggemann 1 , Jochen Hasenclever 1
Affiliation  

An important aspect of the characterisation of non-heat-treatable Al alloys is the constitution of the material in terms of its alloying elements in solid solution and, in turn, volume, size, morphology and species of second-phase particles. These constitutional characteristics, conveniently summarised as micro-chemistry, have an impact on physical and mechanical materials properties of Al semi-finished products. In the present study, the evolution of micro-chemistry in the Al–Mn alloys of the AA 3xxx series during solidification and homogenisation is analysed. Especially, we focus on the impact of additional alloy elements, including Si, Mg and Cu, on the phase selection during solidification and the changes in solute level and volume, size and type of second-phase particles during subsequent homogenisation.



中文翻译:

AA 3xxx 铝锰合金凝固和均质化过程中微观化学的演变

不可热处理铝合金表征的一个重要方面是材料在固溶体中的合金元素的构成,进而是第二相颗粒的体积、尺寸、形态和种类。这些组成特征,方便地概括为微化学,对铝半成品的物理和机械材料性能有影响。在本研究中,分析了 AA 3xxx 系列 Al-Mn 合金在凝固和均质化过程中微观化学的演变。特别是,我们关注额外的合金元素,包括 Si、Mg 和 Cu,对凝固过程中的相选择的影响,以及在随后的均质化过程中第二相颗粒的溶质水平和体积、尺寸和类型的变化。

更新日期:2021-08-13
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