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本刊1977年第三期登载了中南矿冶学院洪伟同志的关于“论二次冷却水对连铸板坯纵裂的影响”一文,作者阐述了自己对连铸机二次冷却水对于板坯纵裂纹的影响及予防的一些办法。最近,我们收到了冶金部钢铁研究院炼钢室周查同志对上述文章不同看法的意见。连铸板坯纵裂的产生与冶炼和浇注工艺方面关系极大。读者对连铸板坯纵裂产生的机理展开讨论是很好的,有助于推动我国连铸技术的发展。
The third issue of 1977 published in the South China Institute of Mining and Metallurgical Hongwei commented on “secondary cooling water on continuous casting slab longitudinal cracking” article, the author described his secondary caster secondary cooling water for the board Longitudinal cracks in the blank and to prevent some of the ways. Recently, we received opinions from Opinion Zhou Zhaochi of the steel making room of the Steel Research Institute of the Ministry of Metallurgy on the above opinions. Continuous casting slab longitudinal cracking and smelting and pouring process has a great relationship. The reader’s discussion of the mechanism of longitudinal cracking of continuous casting slabs is good and helps to promote the development of continuous casting technology in China.