用于钢板中氧化镁夹杂物分析的显微洁净度测量装置的联合应用

生产用于石油和天然气工业的厚钢板需要最高质量等级的半成品，如钢坯。炼钢过程结束时的钙处理是非常必要的。在此生产过程中，非金属夹杂物的成分会发生变化。直读光谱仪的脉冲鉴别分析技术（OES-PDA）使所有钢铁样品的统计研究成为可能。采用OES-PDA检测基本的显微洁净度参数，例如含量和组成。采用定向、自动的光栅电子显微镜-能量色散X射线荧光光谱法（REM-EDX）为非金属夹杂物提供更详细的信息，并验证OES-PDA的数据集。研究表明，两种方法测得结果的组合可以为过程提供一些新的、更细节的信息，尤其是钢坯凝固过程中含氧化镁夹杂物的信息。

Combined application of microleanliness measurement devices for success in magnesia inclusion detection in slabs

The production of heavy plates for the oil and gas industry requires highest quality levels of the semi-finished products like slabs.Calcium-treatment at the end of the steelmaking process is essential.The composition of non-metallic inclusion is changed during this production step.Accurate analysis of inclusions is of main interest.An automated optical emission spectrometry-pulse discrimination analysis(OES-PDA) system makes statistical investigations of any steel sample possible.OES-PDA is used to detect the basic micro cleanness parameters like content and composition.Targeted automated raster electron microscope energy dispersive X-ray analysis(REM-EDX) gives more detailed information about non-metallic inclusions and verifies the OES-PDA data sets.The combination of both results show new detailed information about the process,especially magnesia containing inclusions during solidification of slabs.