采用透射电镜(TEM)对双辊薄带连铸AISI304不锈钢凝固过程中生成的非金属夹杂物进行了研究,发现在薄带的品界存在许多球型的微细氧化物夹杂,其成分主要是MnO-Al2O3-SiO2类复合夹杂物,直径均小于1 μm,并采用数学模型对薄带连铸304不锈钢凝固过程中析出的氧化物夹杂的大小进行了计算,预测值与实验中观察到的结果吻合较好.与传统连铸相比,双辊薄带连铸AISI304不锈钢凝同过程中生成的非金属夹杂物数量增多,尺寸明显减小.
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