| 应用板坯边部遮蔽技术解决中厚板边裂问题的研究 |
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| 引用本文： | 王耀山.应用板坯边部遮蔽技术解决中厚板边裂问题的研究[J].甘肃冶金,2010,32(2):4-7. |
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| 作者姓名： | 王耀山 |
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| 作者单位： | 酒泉钢铁集团公司,炼轧厂,甘肃,嘉峪关,735100 |
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| 摘 要： | 通过对中厚板边裂成因的研究,认为钢水精炼后N元素含量增加导致钢水浇铸过程氮化物沿晶界析出,导致700~900℃铸坯脆性增加是引起中厚板边部裂纹缺陷的主要因素,提出采用铸机边部遮蔽技术提高板坯角部在拉矫过程中的表面温度,从而解决中厚板边裂问题。
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| 关 键 词： | 中厚板 边裂 边部遮蔽 |
Applications Slab Edge Shadowing Technology to Solve Plate Edge Cracking |
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| WANG Yao-shan.Applications Slab Edge Shadowing Technology to Solve Plate Edge Cracking[J].Gansu Metallurgy,2010,32(2):4-7. |
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| Authors: | WANG Yao-shan |
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| Affiliation: | WANG Yao-shan (Jiuquan Steel Group＇s Steel Making Rolling Plant, Jiayuguan 735100, China) |
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| Abstract: | The edge of the plate fragmented into the study because of that the N element content after the refining of molten steel casting process to increase lead to nitride precipitation along the grain boundaries, resulting in 700 ~ 900 ℃ slab fra- gility leading to plate edge crack of The main factors about the use of caster slab edge technology to improve the comer shielding the pulling-straightening process surface temperature, so as to solve the problem plate edge crack. |
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| Keywords: | plate edge cracking edge shadowing |
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