中间包喂稀土水口结瘤机理的研究

1.东北大学,辽宁,沈阳,110004

2.东北大学,辽宁,沈阳,110004

3.东北大学,辽宁,沈阳,110004

4.东北大学,辽宁,沈阳,110004

5.东北大学,辽宁,沈阳,110004

基金项目: 国家自然科学基金(50204005) 国家科技攻关项目(2002BA315A-5)

Investigation of Nozzle Blockage Mechanism during Feeding RE into Tundish

在现场进行中间包喂稀土实验,对水口结瘤样进行扫描电镜能谱分析和X-射线衍射分析.结果表明,在本实验条件下,水口瘤的主要组分为高熔点的稀土铝酸盐和凝钢;结瘤物是以钢中稀土与水口耐火材料相互作用形成的稀土铝酸盐为衬底,钢中的夹杂物在此基础上粘附烧结而形成.

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