SPHC钢钙处理过程中非金属夹杂物行为变化

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SPHC钢钙处理过程中非金属夹杂物行为变化

张同波, 李京社, 陈永峰, 孙丽媛

文章导航 > 钢铁钒钛 > 2014 > 35(2): 108-112,124

张同波, 李京社, 陈永峰, 孙丽媛. SPHC钢钙处理过程中非金属夹杂物行为变化[J]. 钢铁钒钛, 2014, 35(2): 108-112,124. doi: 10.7513/j.issn.1004-7638.2014.02.021

引用本文:

张同波, 李京社, 陈永峰, 孙丽媛. SPHC钢钙处理过程中非金属夹杂物行为变化[J]. 钢铁钒钛, 2014, 35(2): 108-112,124. doi: 10.7513/j.issn.1004-7638.2014.02.021

Zhang Tongbo, Li Jingshe, Chen Yongfeng, Sun Liyuan. Study on the Behavior of Non-metallic Inclusions during Calcium Treatment of SPHC Steel[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(2): 108-112,124. doi: 10.7513/j.issn.1004-7638.2014.02.021

Citation:

Zhang Tongbo, Li Jingshe, Chen Yongfeng, Sun Liyuan. Study on the Behavior of Non-metallic Inclusions during Calcium Treatment of SPHC Steel[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(2): 108-112,124. doi: 10.7513/j.issn.1004-7638.2014.02.021

张同波, 李京社, 陈永峰, 孙丽媛. SPHC钢钙处理过程中非金属夹杂物行为变化[J]. 钢铁钒钛, 2014, 35(2): 108-112,124. doi: 10.7513/j.issn.1004-7638.2014.02.021

引用本文:

张同波, 李京社, 陈永峰, 孙丽媛. SPHC钢钙处理过程中非金属夹杂物行为变化[J]. 钢铁钒钛, 2014, 35(2): 108-112,124. doi: 10.7513/j.issn.1004-7638.2014.02.021

Zhang Tongbo, Li Jingshe, Chen Yongfeng, Sun Liyuan. Study on the Behavior of Non-metallic Inclusions during Calcium Treatment of SPHC Steel[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(2): 108-112,124. doi: 10.7513/j.issn.1004-7638.2014.02.021

Citation:

Zhang Tongbo, Li Jingshe, Chen Yongfeng, Sun Liyuan. Study on the Behavior of Non-metallic Inclusions during Calcium Treatment of SPHC Steel[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(2): 108-112,124. doi: 10.7513/j.issn.1004-7638.2014.02.021

SPHC钢钙处理过程中非金属夹杂物行为变化

doi: 10.7513/j.issn.1004-7638.2014.02.021

北京科技大学冶金与生态工程学院, 北京 100083

基金项目:

国家自然科学基金(NO.51074021)资助项目

作者简介:
张同波(1965-),男,河北辛集人,博士研究生,主要从事冶金新工艺及纯净钢冶炼技术研究

中图分类号: TF704.7
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出版历程
- 收稿日期: 2013-05-26

Study on the Behavior of Non-metallic Inclusions during Calcium Treatment of SPHC Steel

School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China

摘要: 通过在精炼及连铸工位进行系统取样,研究了非金属夹杂物在SPHC钢钙处理过程中的行为变化。结果表明,钙处理前钢中夹杂主要为三角形及不规则形貌的Al₂O₃夹杂,在LF出站时夹杂物以完全变性及未完全变性的铝酸钙为主,在中间包处则有单纯CaS出现并与钢中已有铝酸钙结合,随着连铸的进行,钢中硫化物夹杂比例增加,铸坯中有更多的CaS生成,并形成环状结构对已变性的铝酸钙进行包裹。
- SPHC钢 /
- 非金属夹杂物 /
- 钙处理
Abstract: The behavior of inclusions during calcium treatment of SPHC steel has been researched by systematic sampling during the process of refining and continuous casting.The results show that before Ca treatment,the Al₂O₃inclusions in steel mainly exist in triangular or irregular forms.After LF refining, most of inclusions are calcium aluminates which have been partly or completely modified.In the tundish, pure CaS forms and binds with calcium aluminates.As the continuous casting of steel proceeds,the proportion of sulfide inclusions increases and more CaS inclusions generate in strands which form annular structures wrapping modified calcium aluminates.
- SPHC steel /
- non-metallic inclusion /
- Ca treatment

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