第一作者：陈常勇
通讯作者：李花兵
合写作者：姜周华,李阳,孙萌,秦国清,姚聪林,王琦
发表刊物：ISIJ International
期号：11
卷号：58
影响因子：1.6
DOI码：10.2355/isijinternational.ISIJINT-2018-385
所属单位：东北大学冶金学院
教研室：绿色智能特殊钢冶金研究中心
摘要：A novel Rb2O-containing synthetic LF refining slag has been developed in order to produce ultraclean C96V saw wire steel. In addition, the thermodynamic and kinetics mechanism of Rb2O on inclusion removal have been discussed fully. The results indicated that (1) Rb2O additions (≤10.00 wt%) seems to significantly enhance inclusion removal in steel melts. ① The average diameter of nonmetallic inclusions decreased significantly with the Rb2O addition in synthetic LF refining slag increasing. In particular, the diameter of most of inclusions was less than 3.0 × 10−6 m (3.0 µm) when Rb2O addition was 10.00 wt% ② The number of nonmetallic inclusions decreased sharply with the content of Rb2O in synthetic LF refining slag raising. ③ Both of the MnO–SiO2–Al2O3, CaO–SiO2–Al2O3 inclusions system mainly concentrated in the low melting point zone. (2) For the 15.00 wt% Rb2O-containing synthetic LF refining slag, not only the average diameter of inclusion increases slightly with reaction times increasing, but also the number. This is due to the fact that, the effect of Rb2O on the ability of refining slag to absorb inclusions is a double-edged sword: On the one hand, Rb2O addition would promote the thermodynamic conditions of inclusion removal, then, inclusions would enter the slag spontaneously easier. On the other hand, Rb2O addition could also exacerbate the kinetic conditions of inclusion removal by increasing the viscosity of slag at the same time.
关键字：C96V saw wire steels, LF refining slag, Rb2O, inclusions
论文类型：SCI
备注：无
学科门类：工学
一级学科：冶金工程
页面范围：2032-2041
ISSN号：1347-5460
是否译文：否