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首页> 外文期刊>ISIJ international >Characterisation of inclusions in clean steels via laser ablation-ICP mass spectrometry
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Characterisation of inclusions in clean steels via laser ablation-ICP mass spectrometry

机译：激光烧蚀-ICP质谱法表征清洁钢中的夹杂物

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摘要

A new method for detection and assessment of inclusions in clean steels based on laser ablation and ICP mass spectrometry has been developed. Samples were subjected to UV laser ablation (Nd Yag) and ion intensities of elements of interest were monitored on a time-resolved basis. Lasers exhibiting both gaussian and flat-top intensity beam distributions were used. Analytical response for inclusion and matrix elements as a function of laser ablation parameters was studied and procedures were developed for rapid inclusion characterisation and elemental mapping. Main inclusion types identified in clean steels were Mn-S, Mg-Al and Mg-Al-Ca-Ti-Si. Results indicate the considerable analytical potential for the laser ablation technique in a production environment.
机译：开发了一种基于激光烧蚀和ICP质谱的清洁钢中夹杂物检测和评估的新方法。对样品进行紫外激光烧蚀（Nd Yag），并在时间分辨的基础上监控目标元素的离子强度。使用同时具有高斯和平顶强度光束分布的激光器。研究了夹杂物和基质元素作为激光烧蚀参数的函数的分析响应，并开发了用于快速夹杂物表征和元素映射的程序。清洁钢中确定的主要夹杂物类型为Mn-S，Mg-Al和Mg-Al-Ca-Ti-Si。结果表明在生产环境中激光烧蚀技术具有巨大的分析潜力。

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