钢中非金属夹杂物的三维定量表征

doi:10.13251/j.issn.0254-6051.2023.03.047

摘要/Abstract

摘要： 以超低碳钢、易切削钢、管线钢为研究对象,通过优化电解萃取法以及夹杂物自动分析技术,完成了钢中大尺寸氧化铝、大尺寸硫化锰、常规氧硫化物等典型夹杂物的三维形态表征及自动定量统计,并就滤膜干扰物、夹杂物分散状态、扫描电镜参数设置等影响夹杂物三维定量表征的因素进行了讨论。与二维分析相结合,夹杂物的三维形态表征及定量统计结果将提供最为全面、真实、准确的夹杂物信息。

关键词: 夹杂物, 三维表征, 定量分析, 钢

Abstract: Three-dimensional morphological observation and statistical quantification of typical inclusions as large-size Al₂O₃, MnS and oxysulfides were conducted in the ultra-low carbon steel, the free cutting steel and the pipeline steel by using optimized electrolytic extraction and automated inclusion analysis technique. Some factors affecting the three-dimensional quantitative characterization of inclusions, such as the electrolytic interfering substance, the dispersion state of inclusions and the setting of SEM parameters were discussed about how to influence three-dimensional quantitative results. Combined with two-dimensional analysis, three-dimensional morphological observation and statistical quantification of the inclusions will provide more comprehensive, reliable and accurate information.

Key words: inclusion, three-dimensional characterization, quantitative analysis, steel

中图分类号:

TG142.1

严春莲, 秦汉成, 其其格, 代锦, 冯超, 孟杨. 钢中非金属夹杂物的三维定量表征[J]. 金属热处理, 2023, 48(3): 280-286.

Yan Chunlian, Qin Hancheng, Qi Qige, Dai Jin, Feng Chao, Meng Yang. Three-dimensional quantitative characterization of non-metallic inclusions in steels[J]. Heat Treatment of Metals, 2023, 48(3): 280-286.

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