| 1Cr13半马氏体不锈钢连铸坯纵裂纹形成机理及控制 |
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| 引用本文： | 姚军,刘敬军,贾育华,邸永田.1Cr13半马氏体不锈钢连铸坯纵裂纹形成机理及控制[J].河北冶金,2014(4):18-22. |
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| 作者姓名： | 姚军 刘敬军 贾育华 邸永田 |
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| 作者单位： | 邢台钢铁有限责任公司; |
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| 摘 要： | 针对1Cr13半马氏体不锈钢包晶反应凝固组织不均匀、高温力学性能差等特点,分析了邢钢炼钢厂6#连铸机1Cr13半马氏体不锈钢连铸坯纵裂纹形成的机理,从过热度、拉速、冷却制度、结晶器电磁搅拌、保护渣选择等方面,使连铸坯表面纵裂纹得到了有效控制,连铸坯修磨损失率降低了3.4％.
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| 关 键 词： | 半马氏体不锈钢 连铸坯 纵裂纹 机理 控制 |
FORMING MECHANISM AND CONTROL FOR LONGITUDINAL CRACKS ON CONTINUOUS CASTING BILLET OF 1Cr13 SEMI-MARTENSITE STAINLESS STEEL |
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| Yao Jun;Liu Jingjun;Jia Yuhua;Di Yongtian.FORMING MECHANISM AND CONTROL FOR LONGITUDINAL CRACKS ON CONTINUOUS CASTING BILLET OF 1Cr13 SEMI-MARTENSITE STAINLESS STEEL[J].Hebei Metallurgy,2014(4):18-22. |
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| Authors: | Yao Jun;Liu Jingjun;Jia Yuhua;Di Yongtian |
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| Affiliation: | Yao Jun;Liu Jingjun;Jia Yuhua;Di Yongtian;Xingtai Iron and Steel Company; |
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| Abstract: | Based on the characteristics of 1Crl3 semi -martensite stainless steel： non -homogenous peritectic reaction solidification structure and bad high - temperature mechanical properties, it is analyzed the forming mechanism of longitudinal cracks on continuous casting billet of semi - martensite stainless steel in 6# caster. The cracks are effectively controlled with measures in the following aspects ： degrees of superheating, casting speed, cooling system, mold electromagnetic stirring and selection of casting powder and etc. The repair grinding loss rate of continuous casting billet is reduced by 3.4%. |
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| Keywords: | semi- martensite stainless steel continuous casting billet longitudinal cracks mechanism control |
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