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铸坯低倍组织控制技术主要有:低恒温浇钢、电磁搅拌、结晶器钢水加入强生核剂及结晶器钢水降温。分析了铸坯低倍组织中心等轴晶的形成机制,探讨了铸坯低倍组织中心等轴晶的几种控制技术以及他们在生产中的应用情况,铸坯低倍组织控制技术的开发和实践应用,推动了铸坯低倍组织向优质化的进程,促进了连铸工业的迅速发展。
Billet microstructure control technology are: low temperature pouring steel, electromagnetic stirring, mold steel joined Johnson & Johnson quenching and cooling water. The forming mechanism of equiaxed grains at the center of slab microstructure was analyzed. Several control techniques of equiaxed grains at the center of slab microstructure and their applications in production were discussed. The development of control technology of slab microstructure was discussed. Practical application, promote the billet organization to the high quality process, and promote the rapid development of continuous casting industry.