Effect of LF Feeding Pure Calcium Wire and CaAl Cored Wire on Metallurgical Affect of DC01 Steel

阮墨; 李天佑; 曾成; 郑万; 李光强

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Effect of LF Feeding Pure Calcium Wire and CaAl Cored Wire on Metallurgical Affect of DC01 Steel

更新时间：2026-01-21

- Effect of LF Feeding Pure Calcium Wire and CaAl Cored Wire on Metallurgical Affect of DC01 Steel
- Special Steel Vol. 39, Issue 5, Pages: 48-53(2018)
- 作者机构：
  
  1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
  2. 武汉科技大学钢铁冶金新工艺湖北省重点实验室,武汉,430081
  3. 武汉钢铁有限公司,武汉,430083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：23 April 2018，
  
  Online First：30 May 2022，
  
  Published：30 May 2018
- 稿件说明：
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阮墨, 李天佑, 曾成, et al. Effect of LF Feeding Pure Calcium Wire and CaAl Cored Wire on Metallurgical Affect of DC01 Steel[J]. Special Steel, 2018, 39(5): 48-53.
DOI：

阮墨, 李天佑, 曾成, et al. Effect of LF Feeding Pure Calcium Wire and CaAl Cored Wire on Metallurgical Affect of DC01 Steel[J]. Special Steel, 2018, 39(5): 48-53. DOI：

摘要

为了优化CSP工艺生产DC01钢的钙处理冶金效果

利用SEM+EDS分析了浸入式水口结瘤物的组成

研究比较了纯Ca与CaAl包芯线处理钢中夹杂物特征的演变规律与改性效果

探讨了铝对钙的收得率的影响。结果表明

CaAl线处理钢形成的水口结瘤堵塞物为改性不完全的钙铝酸盐、Al

以及MgO·Al

。钢中Al含量的变化对钙蒸气压与收得率的影响不大。在相同喂线速度、喂线量的情况下

与CaAl线相比

纯Ca线处理钢中残钙量、钙的收得率更高

夹杂物的改性效果更好。

Abstract

In order to optimize the metallurgical efifect of calcium treatment for DC01 produced by CSP process

the composition of the nozzle nodulation

the evolution and the characteristics of inclusions in steels treated by Ca and CaAl cored wire was analyzed by SEM + EDS

influence of Al on the yield of calcium was discussed. The results show that the nozzle nodulation are mainly composed of incompletely modified calcium aluminate

andMgO· Al

. Variety of Al amount in steel has little influence on vapour pressure and yield of calcium. In the same conditions of feeding speed and adding amount of Ca cored wine

the amount of residual calcium and calcium yield were higher in the steel treated by Ca cored wire compared with CaAl cored wire

inclusions modification effect is better.

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