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.
参考文献
[1] | Zhao Suochen;Han Qiyong .Study on the nozzle blockage mechanism of steel containing rare earth metals during casting[J].Scandinavian Journal of Metallurgy,1985,14:175-182. |
[2] | 梅一飞;毛裕文 .连铸浸入式水口Al2O3结瘤现象的研究[J].耐火材料,1997,31(06):356-358. |
[3] | 钟德惠;韩云龙;陈继志 等.两个典型水口中稀土夹杂物的聚集[J].钢铁,1985,20(03):2-7. |
[4] | Snow R B;Shea J A .Mechanism of erosion of nozzles in open-hearth ladles[J].Journal of the American Ceramic Society,1949,32(06):187-194. |
[5] | Katsuhiro S .Reaction mechanism between alumina immersion nozzle and low carbon steel[J].ISIJ International,1994,34(10):802-809. |
[6] | Kusuhiro M .[J].Tetsu To Hagane-Journal of The Iron and Steel Institute of Japan,1999,85(04):307-313. |
[7] | Singh S N .Mechanism of alumina buildup in tundish nozzles during continuous casting of aluminum-killed steels[J].Metallurgical and Materials Transactions,1974,5:2165-2178. |
[8] | 余宗森;赵万智;谢逸凡 等.钢中稀土与耐火材料的作用和稀土钢的水口结瘤[J].钢铁,1984,19(03):18-25. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%