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题名: Online Compositional Analysis of Molten Steel by Laser-Induced Breakdown Spectroscopy
作者: Sun LX(孙兰香) ; Xin Y(辛勇) ; Cong ZB(丛智博) ; Li Y(李洋) ; Qi LF(齐立峰)
作者部门: 工业控制网络与系统研究室
会议名称: 4th International Conference on Manufacturing Science and Engineering (ICMSE 2013)
会议日期: March 30-31, 2013
会议地点: Dalian, PEOPLES R CHINA
会议主办者: NE Univ, Harbin Inst Technol, Jilin Univ
会议录: Advanced Materials Research
会议录出版者: TRANS TECH PUBLICATIONS LTD
会议录出版地: STAFA-ZURICH
出版日期: 2013
页码: 1260-1266
收录类别: CPCI(ISTP) ; EI
ISSN号: 1022-6680
ISBN号: 978-3-03785-693-2
关键词: Laser-induced breakdown spectroscopy ; online analysis ; molten steel ; process control
摘要: Quick analysis of chemical composition is very important for process control and quality assessment in metallurgical industry, especially in steelmaking process. A prototype equipment for online analysis of molten steel composition was developed based on laser-induced breakdown spectroscopy. The effect of steel temperature on different spectral line intensities was studied, and calibration curves of Cr, Ni, Si and Mn were built. Results show that most line intensities are greatly enhanced when steel temperature is higher than 1200 degrees C, and the detection capability of minor elements in molten steel is higher than in normal solid steel. Line intensity, however, is easier saturated in molten steel, leading to narrow linear ranges of calibration curves for molten steel. Furthermore, for online analysis, by using a median filter the abnormal points were inhibited and the changing compositional concentrations were successfully monitored.
语种: 英语
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/12428
Appears in Collections:工业控制网络与系统研究室_会议论文

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Recommended Citation:
孙兰香; 辛勇; 丛智博; 李洋; 齐立峰.Online Compositional Analysis of Molten Steel by Laser-Induced Breakdown Spectroscopy.见:TRANS TECH PUBLICATIONS LTD.Advanced Materials Research,STAFA-ZURICH,2013,1260-1266
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文件名: Online Compositional Analysis of Molten Steel by Laser-Induced Breakdown Spectroscopy.pdf
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