低合金高強鋼中非金屬夾雜物的改性

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低合金高強鋼中非金屬夾雜物的改性

李強, 王新華, 李海波, 黃福祥, 朱國森, 姜敏, 王萬軍

文章導航 > 工程科學學報 > 2012 > 34(11): 1262-1267

李強, 王新華, 李海波, 黃福祥, 朱國森, 姜敏, 王萬軍. 低合金高強鋼中非金屬夾雜物的改性[J]. 工程科學學報, 2012, 34(11): 1262-1267. doi: 10.13374/j.issn1001-053x.2012.11.013

引用本文:

李強, 王新華, 李海波, 黃福祥, 朱國森, 姜敏, 王萬軍. 低合金高強鋼中非金屬夾雜物的改性[J]. 工程科學學報, 2012, 34(11): 1262-1267. doi: 10.13374/j.issn1001-053x.2012.11.013

LI Qiang, WANG Xin-hua, LI Hai-bo, HUANG Fu-xiang, ZHU Guo-sen, JIANG Min, WANG Wan-jun. Modification of non-metallic inclusions in high-strength low-alloy steel[J]. Chinese Journal of Engineering, 2012, 34(11): 1262-1267. doi: 10.13374/j.issn1001-053x.2012.11.013

Citation:

LI Qiang, WANG Xin-hua, LI Hai-bo, HUANG Fu-xiang, ZHU Guo-sen, JIANG Min, WANG Wan-jun. Modification of non-metallic inclusions in high-strength low-alloy steel[J]. Chinese Journal of Engineering, 2012, 34(11): 1262-1267. doi: 10.13374/j.issn1001-053x.2012.11.013

李強, 王新華, 李海波, 黃福祥, 朱國森, 姜敏, 王萬軍. 低合金高強鋼中非金屬夾雜物的改性[J]. 工程科學學報, 2012, 34(11): 1262-1267. doi: 10.13374/j.issn1001-053x.2012.11.013

引用本文:

李強, 王新華, 李海波, 黃福祥, 朱國森, 姜敏, 王萬軍. 低合金高強鋼中非金屬夾雜物的改性[J]. 工程科學學報, 2012, 34(11): 1262-1267. doi: 10.13374/j.issn1001-053x.2012.11.013

LI Qiang, WANG Xin-hua, LI Hai-bo, HUANG Fu-xiang, ZHU Guo-sen, JIANG Min, WANG Wan-jun. Modification of non-metallic inclusions in high-strength low-alloy steel[J]. Chinese Journal of Engineering, 2012, 34(11): 1262-1267. doi: 10.13374/j.issn1001-053x.2012.11.013

Citation:

LI Qiang, WANG Xin-hua, LI Hai-bo, HUANG Fu-xiang, ZHU Guo-sen, JIANG Min, WANG Wan-jun. Modification of non-metallic inclusions in high-strength low-alloy steel[J]. Chinese Journal of Engineering, 2012, 34(11): 1262-1267. doi: 10.13374/j.issn1001-053x.2012.11.013

低合金高強鋼中非金屬夾雜物的改性

doi: 10.13374/j.issn1001-053x.2012.11.013

1. 北京科技大學冶金與生態工程學院, 北京 100083;
2. 首鋼技術研究院, 北京 100039

通訊作者:
李強,E-mail:ahutliqiang@163.com

中圖分類號: TF769
計量
- 文章訪問數: 185
- HTML全文瀏覽量: 41
- PDF下載量: 12
- 被引次數: 0
出版歷程
- 收稿日期: 2011-07-23
- 網絡出版日期: 2021-07-30

Modification of non-metallic inclusions in high-strength low-alloy steel

1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. Technology Institute of Capital Steel, Beijing 100039, China

摘要: 借助熱力學軟件Thermo-Calc和ASPEX自動掃描電鏡等分析手段,研究了低合金高強鋼精煉過程渣-鋼反應和鈣處理對夾雜物改性行為的影響.通過提高爐渣堿度和w(CaO)/w(Al₂O₃)值以及降低爐渣氧化性等措施,鈣處理前鋼中Al₂O₃夾雜物轉變為靠近1600℃液相區的CaO-MgO-Al₂O₃復合夾雜物和少量的MgO·Al₂O₃尖晶石.在渣-鋼反應對Al₂O₃部分變性的基礎上,鈣線喂入量每爐由優化前的800 m減少到300 m仍能達到夾雜物改性的目的.
- 高強鋼 /
- 合金鋼 /
- 精煉 /
- 夾雜物 /
- 改性
Abstract: The influences of slag-metal reaction and calcium treatment on inclusion modification in high-strength low-alloy steel were studied by means of Thermo-Calc thermodynamic software and ASPEX automated scanning electron microscope. The results of industrial trials show that by increasing the basicity, reducibility and w(CaO)/w(Al₂O₃) of slag, Al₂O₃ inclusions are partially modified to CaO-MgO-Al₂O₃ complex inclusions nearby the liquid phase zone at 1 600℃, as well as a few MgO·Al₂O₃ spinel. On the basis of this change, the purpose of inclusion modification is still achieved with the addition of CaSi-wire decreasing from 800 m to 300 m for a heat.
- high strength steel /
- alloy steel /
- refining /
- inclusions /
- modification

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文章訪問數: 185
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PDF下載量: 12
被引次數: 0

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