| 微合金钢连铸坯横裂纹研究现状 |
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| 引用本文： | 刘江,光华,唐萍. 微合金钢连铸坯横裂纹研究现状[J]. 钢铁研究学报, 2016, 28(10): 1-9. DOI: 10.13228/j.boyuan.issn1001-0963.20160187 |
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| 作者姓名： | 刘江 光华 唐萍 |
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| 作者单位： | 重庆大学材料科学与工程学院,重庆,400044 |
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| 基金项目： | 国家自然科学基金资助项目(51174242) |
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| 摘 要： | 表面横裂纹一直困扰着连铸坯质量，由于其影响因素众多，迄今为止并没有得到很好的解决。国内外研究均围绕着连铸过程中横裂纹发生的2个主要特征(温度特征、组织特征)来寻求解决横裂纹问题的思路。首先概述了影响表面横裂纹发生的内因和外因，然后归纳了国内外铸坯横裂纹的控制措施，最后提出了在未来铸坯横裂纹研究中值得进一步深入探讨的问题和方向。
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| 关 键 词： | 微合金钢 连铸坯 表面横裂纹 高温微观组织 |
Research status of transversal crack on micro-alloyed steel slab |
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| LIU Jiang,WEN Guang-hua,TANG Ping. Research status of transversal crack on micro-alloyed steel slab[J]. Journal of Iron and Steel Research, 2016, 28(10): 1-9. DOI: 10.13228/j.boyuan.issn1001-0963.20160187 |
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| Authors: | LIU Jiang WEN Guang-hua TANG Ping |
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| Affiliation: | College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China |
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| Abstract: | The quality of micro-alloyed steel slab in continuous casting has always been plagued by surface transver-sal crack.Because of its many influential factors,so far,it has not been solved very well.Based on the two main features of the transversal crack in the continuous casting process (temperature feature,microstructure feature), researches at home and abroad were taken to find the way to solve the problem of transversal crack.Firstly,the internal and external factors affecting the occurrence of transversal crack were summarized.Then,the control measures of transversal crack at home and abroad were summarized.Finally,some issues on the slab transversal crack research were also pointed out for further research. |
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| Keywords: | micro-alloyed steel slab surface transversal crack high temperature microstructure |
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