schaeffler diagram_schaeffler group_schaeffler canada

含铝低密度钢由于其较好的综合力学性能和低密度特征引起结构钢领域研究人员的广泛关注。schaeffler diagram本文利用Thermo-Calc热力学计算软件结合TCFE 7，计算中锰中铝含量Fe-Mn-Al-C钢在不同温度的热力学平衡状态，总结其两相区相比例的变化规律，通过平移和修正等处理方法，绘制针对中锰中铝钢合金成分和相设计的类Schaeffler相图。结合马氏体转变温度的计算讨论对应不同合金成分条件下相种类存在可能，并通过已有材料的相比例和相形貌实验结果分析绘制的类Schaeffler相图的准确性和适用性。绘制的Fe-Mn-Al-C类Schaeffler相图可以直观地提供不同合金成分所对应的相比例、相种类等信息，可用于新型含铝低密度钢的合金设计。

Low density steels attract the attention of structural steel researchers due to their good comprehensive mechanical prop-erties and low density characteristic。 In this study, the thermodynamic equilibrium states of Fe-Mn-Al-C alloys with medium manga-nese and aluminum contents at different temperatures were calculated by Thermo-Calc software with TCFE 7 date base。schaeffler diagram The statistical data of phase ratio in the dual phase region were summarized and then processed by translation and correction methods to plot the Schaeffler diagram, which is applicable to design the composition and phase ratio of Fe-Mn-Al-C alloys with medium manganese and aluminum contents。

Possible phases in these steels with different compositions were discussed according to the calculation of martensit-ic transformation temperatures。 The accuracy and applicability of the Schaeffler diagram were verified by the experimental phase ratio and phase type of several typical Fe-Mn-Al-C alloys。 The information of phase ratio and phase type in Fe-Mn-Al-C alloys can be obtained easily from the plotted Schaeffler phase diagram。

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