| 结晶器铜管的失效分析 |
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| 引用本文： | 齐力军,袁志刚,王鑫荣. 结晶器铜管的失效分析[J]. 重型机械, 2014, 0(3): 88-90 |
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| 作者姓名： | 齐力军 袁志刚 王鑫荣 |
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| 作者单位： | 秦皇岛首钢长白结晶器有限责任公司; |
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| 摘 要： | 针对结晶器铜管在生产中出现的硬度不均、表面＂桔子皮＂、脱方现象,秦皇岛首钢长白结晶器有限责任公司采用调整加热温度和保温时间的方法,保证硬度符合标准,并解决了铜管裂纹和难以加工问题;控制铜管的变形量〉15%,消除了铜管的＂桔子皮＂现象;采取时效处理使铜管不在出现脱方现象。
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| 关 键 词： | 结晶器铜管 热处理 晶粒度 硬度 |
Failure analysis of crystallizer copper tubes |
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| QI Li-jun,YUAN Zhi-gang,WANG Xin-rong. Failure analysis of crystallizer copper tubes[J]. Heavy Machinery, 2014, 0(3): 88-90 |
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| Authors: | QI Li-jun YUAN Zhi-gang WANG Xin-rong |
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| Affiliation: | (Qinhuangdao ShouGang ChangBai Machinery Co. , Ltd, Qinhuangdao 066311, China) |
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| Abstract: | Against the phenomena such as uneven hardness,orange- peel surface and off- square,Qinhuangdao ShouGang ChangBai Machinery Co.,Ltd. adjusted the heating temperature and increased holding time to ensure the standard hardness,and solved the problems of copper tube cracking and difficult processing. It kept the copper tube deformation ＆gt; 15%,eliminated the ＂ orange peel＂ phenomenon and took aging treatment to avoid the off- square phenomenon. |
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| Keywords: | crystallizer copper tube heat treatment grain size number hardness |
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