37Mn5钢中的大型非金属夹杂物
Large non-metallic inclusions in 37Mn5 steel
摘 要
采用大样电解、扫描电镜分析等方法研究了37Mn5钢中大型非金属夹杂物的形貌、尺寸和来源。结果表明:钢中大型非金属夹杂物主要来源于结晶器保护渣和脱氧产物,这两种类型的夹杂物分别占总夹杂物含量的50%和30. 8%。
非金属夹杂物
大样电解
37Mn5 steel
non-metallic inclusion
large sample electrolysis
Abstract
The morphology, size and source of large non-metallic inclusions in 37Mn5 steel were studied by bulk electrolysis and scanning electron microscopy. The results show that the large non-metallic inclusions of steel mainly came from mould flux and deoxidization products, which accounted for 50% and 30. 8% of the total inclusions, respectively.
中图分类号 TB31 TG115.2 DOI 10.11973/lhjy-wl202306011
所属栏目 试验技术与方法
基金项目
收稿日期 2023/2/15
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备注王晓晶(1986-),男,本科,高级工程师,主要从事炼钢工艺研究和新产品开发工作,15922095271@163.com
引用该论文: WANG Xiaojing. Large non-metallic inclusions in 37Mn5 steel[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2023, 59(6): 41～43
王晓晶. 37Mn5钢中的大型非金属夹杂物[J]. 理化检验－物理分册, 2023, 59(6): 41～43
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参考文献
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【2】OKUYAMA G,YAMAGUCHI K,TAKEUCHI S,et al.Effect of slag composition on the kinetics of formation of Al2O3 MgO inclusions in aluminum killed ferritic stainless steel[J].ISIJ International,2000,40(2):121-128.
【3】FUJII K,NAGASAKA T,HINO M.Activities of the constituents in spinel solid solution and free energies of formation of MgO,MgO ·Al2O3[J].ISIJ International,2000,40(11):1059-1066.
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