在已建立的理论数学模型的基础上 ,以 1Cr18Ni9Ti不锈钢为研究对象 ,模拟预测了在薄带厚度保持不变条件下浇注温度对薄带凝固组织中柱状晶区比例、柱状枝晶间距和取向度的影响规律。结果表明 :随着浇注温度升高 ,1Cr18Ni9Ti不锈钢双辊薄带凝固组织中柱状晶区比例首先增大 ,然后又逐渐减小。而柱状枝晶取向度和枝晶间距则随着浇注温度的升高而减小 ,但在较高的浇注温度条件下 ,柱状枝晶间距在凝固结束时有突然增大的趋势。 Based on the established mathematical model, 1Cr18Ni9Ti stainless steel was taken as the research object to simulate and predict the influence of the pouring temperature on the ratio of columnar crystal zone, columnar dendrite spacing and orientation in the solidified microstructure The law of influence. The results show that with the increase of pouring temperature, the proportion of columnar grains in the solidified structure of 1Cr18Ni9Ti stainless steel double-roll strip first increases and then decreases gradually. While the degree of columnar dendrite orientation and dendrite spacing decrease with the increase of pouring temperature. However, at higher pouring temperature, the spacing of columnar dendrite suddenly increases at the end of solidification.