摘要
研究了无间隙原子钢(IF钢)在镁钙质涂料内衬中冶炼前后的总氧含量变化。借助电子显微镜(SEM)和能谱(EDS)对涂料和钢水反应层进行了分析。结果表明:钢水与耐火材料接触一段时间后,在涂料中形成反应层、渗透区和原质层3个区域;随着钢样熔炼时间的延长,钢中的总氧含量逐步上升,并在120min左右时达到最大值,随后钢中的总氧含量开始下降。
The change of oxygen content of IF steel in the lining of magnesia-calcium coating was investigated from start to the end of melting. The reacted layer of coating and liquid steel was studied by SEM and EDS. It is found that three areas are formed after the steel contacts with the refractory for a certain time. With the extension of smelting time the total oxygen content of IF steel increases gradually and reaches maximum after 120 minutes, then the total oxygen content begins to decline.
出处
《炼钢》
CAS
北大核心
2010年第4期67-69,74,共4页
Steelmaking
关键词
镁钙质涂料
中间包
反应层
总氧含量
magnesia-calcium coatings
tundish
reactive layer
total oxygen content
