In this study, to investigate the interfacial reactions among high-Mn high-Al steel, MgO-C refractory, and refining slag, a series of lab-scale experiments and thermodynamic calculations are performed. For the steel-refractory interface, we observe an interface layer composed of MgO·Al₂O₃ and a transition layer composed of a CaO-Al₂O₃ phase, along with trace MgO·Al₂O₃ and MgO particles. Following the interfacial reaction between the refractory and refining slag, an interface layer and an infiltration layer are detected. Subsequently, the cleanliness of high-Mn high-Al steel is investigated based on the multi-interfacial reactions. The results indicate that the evolution process of oxide inclusion follows the reaction Al₂O₃→MgO·Al₂O₃→CaO-MgO-Al₂O₃, with the addition of refining slag and MgO-C refractory. Additionally, a trend of aggregated AlN inclusion is observed. In certain cases, aggregated AlN inclusions are attached to the MgO·Al₂O₃ or CaO-MgO-Al₂O₃ inclusions.

在这项研究中，为了研究高锰高铝钢、MgO-C 耐火材料和精炼渣之间的界面反应，进行了一系列实验室规模的实验和热力学计算。对于钢-耐火材料界面，我们观察到由 MgO·Al ₂ O ₃组成的界面层和由 CaO-Al ₂ O ₃相组成的过渡层，以及痕量的 MgO·Al ₂ O ₃和氧化镁颗粒。在耐火材料和精炼炉渣之间的界面反应之后，检测到界面层和渗透层。随后，基于多界面反应研究了高锰高铝钢的清洁度。结果表明，氧化物夹杂物的演化过程遵循Al ₂ O ₃ →MgO·Al ₂ O ₃ →CaO-MgO-Al ₂ O _{3 反应}，加入精炼渣和MgO-C耐火材料。此外，观察到聚集的 AlN 夹杂物的趋势。在某些情况下，聚集的 AlN 夹杂物附着在 MgO·Al ₂ O ₃或 CaO-MgO-Al ₂ O _{3 上} 夹杂物。