| 热轧钢板纵裂纹的形成原因 |
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| 引用本文： | 郭建峰,张亚军,吴艳杰,李海云. 热轧钢板纵裂纹的形成原因[J]. 理化检验(物理分册), 2009, 45(1): 55-57 |
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| 作者姓名： | 郭建峰 张亚军 吴艳杰 李海云 |
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| 作者单位： | 唐山建龙实业有限公司技术处,唐山,064200 |
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| 摘 要： | 采用化学成分分析、力学性能测试、金相检验和电子探针观察及其波谱分析等方法对J55热轧钢板上的纵裂纹进行了分析。结果表明：纵裂纹是因钢板表面富集着串链状的外来夹杂物所致。
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| 关 键 词： | 钢板 表面裂纹 非金属夹杂物 微观组织 石油套管 |
Crack Formation Reason of the Hot Rolled Steel Plate |
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| GUO Jian-feng,ZHANG Ya-jun,WU Yan-jie,LI Hai-yun. Crack Formation Reason of the Hot Rolled Steel Plate[J]. Physical Testing and Chemical Analysis Part A:Physical Testing, 2009, 45(1): 55-57 |
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| Authors: | GUO Jian-feng ZHANG Ya-jun WU Yan-jie LI Hai-yun |
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| Affiliation: | Engineering Department;Tangshan Jianlong Industry Co.Ltd.;Tangshan 064200;China |
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| Abstract: | By means of chemical composition analysis,mechanical property testing,metallographic examination,electronic-probe inspection and wave-spectrum analysis,the longitudinal crack were analyzed formed on the hot rolled steel plate of J55.The result showed that it was formed due to catena status outside inclusion on surfact of the hot rolled steel plate. |
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| Keywords: | steel plate surface crack non-metallic inclusion microstructure petroleum drive pipe |
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