| GCr15轴承钢连铸圆坯表面裂纹产生原因及防止措施 |
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| 引用本文： | 李德跃,宋俊涛,靳燕. GCr15轴承钢连铸圆坯表面裂纹产生原因及防止措施[J]. 金属功能材料, 2012, 19(5): 13-15 |
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| 作者姓名： | 李德跃 宋俊涛 靳燕 |
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| 作者单位： | 内蒙古包钢钢联股份有限公司技术中心,内蒙古包头,014010 |
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| 摘 要： | 本文详细讨论了包钢GCr15轴承钢φ180 mm连铸圆坯表面裂纹的特征及其产生原因.该铸坯表面裂纹系拉坯过程中铸坯表面与铜质结晶器发生摩擦,导致铸坯表面渗铜而产生的铜脆裂纹,并据此提出了相应的防止措施.
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| 关 键 词： | 龟裂 铜脆 铜质结晶器 |
Analysis and Preventive Measure of Surface Crack of Continuous Caster Round Billet GCrl5 |
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| LI De-yue , SONG Jun-tao , JIN Yan. Analysis and Preventive Measure of Surface Crack of Continuous Caster Round Billet GCrl5[J]. Metallic Functional Materials, 2012, 19(5): 13-15 |
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| Authors: | LI De-yue SONG Jun-tao JIN Yan |
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| Affiliation: | (Techniceal Center of Steel Union Co. , Ltd of Baotou Steel (Group) Corp. , Baotou 014010, Inner Menggfi,China) |
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| Abstract: | Feature and analysis of surface crack of continuous caster round billet in baogang bearing steel （GCr15） had been discussed , Casting surface crack appear by friction between the casting surface and copper crystallizer dur- ing casting. And preventive measure had been bringed forward in this paper. |
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| Keywords: | craze copper crazing copper crystallizer |
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