| 高强度船板断口合格率影响机理探讨 |
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| 引用本文： | 郭世宝,王新江,苏晓峰,黄重.高强度船板断口合格率影响机理探讨[J].中国冶金,2010,20(3):18-18. |
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| 作者姓名： | 郭世宝 王新江 苏晓峰 黄重 |
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| 作者单位： | 河南省安阳钢铁集团公司 |
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| 摘 要： | 通过低倍酸浸、断口形貌、金相组织等分析方法,对高强度船板拉伸断口不合的机理进行了讨论分析,指出断口分层是断口不合的主要表现形式,分层与钢板内部的马氏体、贝氏体异常组织和长条状MnS夹杂有关,而异常组织和长条状MnS夹杂的出现是由于铸坯的中心偏析和中间裂纹造成的。
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| 关 键 词： | 高强度船板 断口 机理 探讨 |
Study on Mechanics of Unqualified Fracture of High Strength Ship Plate |
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| GUO Shi-bao,WANG Xin-jiang,SU Xiao-feng,HUANG Zhong.Study on Mechanics of Unqualified Fracture of High Strength Ship Plate[J].China Metallurgy,2010,20(3):18-18. |
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| Authors: | GUO Shi-bao WANG Xin-jiang SU Xiao-feng HUANG Zhong |
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| Affiliation: | GUO Shi-bao1,WANG Xin-jiang2,SU Xiao-feng1,2,HUANG Zhong1,2(1.School of Metallurgical , Ecological Engineering,University of Science , Technology Beijing,Beijing 100083,China,2.Technology Center of Anyang Iron , Steel Group Corp,Anyang 455004,Henan,China) |
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| Abstract: | Mechanics of tensile fracture of high strength ship plate was discussed by means of detecting,fracture pattern,microstructure.The results show that layered fracture is the major representation of unqualified fracture,and it has connection with martensite,bainite and lath-MnS inclusions,which occurance is due to centre segregation and inner crack of slab. |
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| Keywords: | high strength ship plate fracture mechanics study |
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