| 82MnA????????????ζ?????? |
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| 引用本文： | 李海刚,姜锡山.82MnA????????????ζ??????[J].物理测试,2010,28(5):49-49. |
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| 作者姓名： | 李海刚 姜锡山 |
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| 作者单位： | ????????????????????????????? |
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| 摘 要： | φ12.5mm 82MnA 高碳钢热轧盘条拉拔过程中发生断裂，为了找到盘条断裂原因,对断裂盘条试样，采用体视显微镜、光学显微镜、扫描电镜及X射线能谱仪等手段对其表面缺陷、金相组织、非金属夹杂物进行了分析和测试。结果表明：82MnA钢纯净度、盘条表面缺陷、心部成分偏析、心部组织异常和DS类夹杂物最终导致φ12.5mm 82MnA 高碳钢盘条在拉拔过程中断裂。
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| 关 键 词： | 82MnA????? ???? ?????? |
| 收稿时间： | 2010-03-22; |
82MnA High-Carbon Steel Rod Drawing Fracture Analysis |
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| LI Hai-gang,JIANG Xi-shan.82MnA High-Carbon Steel Rod Drawing Fracture Analysis[J].Physics Examination and Testing,2010,28(5):49-49. |
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| Authors: | LI Hai-gang JIANG Xi-shan |
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| Affiliation: | (Physical and Chemical Center of Tian Jin Rockcheck Steel Group Co Ltd,Tianjin 300352,China) |
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| Abstract: | Hot-rolled rod of Ф12.5mm 82MnA high carbon steel occurred fracture when drawing,in order to find the reason for the fractured,we analyzed and tested surface defects,microstructure,non-metallic inclusions by using stereo microscope,optical microscope,scanning electron microscope and X-ray energy dispersive spectrometer.The results showed that： purity of 82MnA steel is not enough,wire rod has surface defects,heart division segregation,heart organization abnormal and DS Inclusion which led to breakage of φ12.5mm 82MnA high carbon steel rod in the drawing process. |
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| Keywords: | 82MnA high carbon steel fracture control measures |
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