| 真空感应熔炼过程中微量Bi的挥发 |
| |
| 引用本文： | 于月光 陈伯平. 真空感应熔炼过程中微量Bi的挥发[J]. 北京科技大学学报, 1994, 16(6): 522-526 |
| |
| 作者姓名： | 于月光 陈伯平 |
| |
| 作者单位： | 北京科技大学冶金系 |
| |
| 摘 要： | 研究表明，实验条件下向钢液中加入纯铋时铋的收得率为７．５４％。钢液中铋的军发过程受液／气界面的挥发反应及液相边界层中的扩散混合控制，共传质系数Ｋ２３在１０＾－２ｃｍ／ｓ数量级；实验得出了Ｋ２３值及钢液中铋浓度的经验计算公式；还探讨了熔渣覆盖对钢液中的铋挥发的影响。
|
| 关 键 词： | 挥发 微量元素 真空熔炼 镍铬钼钢 铋 |
Evaporation of Trace Bismuth during Vacuum Melting of Steel |
| |
| Yu Yueguang,Chen Boping,Wang Yugang,Tu Baohong,Fu Jie. Evaporation of Trace Bismuth during Vacuum Melting of Steel[J]. Journal of University of Science and Technology Beijing, 1994, 16(6): 522-526 |
| |
| Authors: | Yu Yueguang Chen Boping Wang Yugang Tu Baohong Fu Jie |
| |
| Abstract: | The result shows that the rate of bismuth recovery reachs 7.54% by adding pure bismuth to liquid steel under the experimental condition.The evaporation process of trace bismuth is contrlled by transport in both the metal boundary layer and the evaporation from the pool surface, in which the transport coefficient K23 is at the order magnitute of 10-2cm/s.The experimental formulas to calculate K23 and bismuth concentration in molten steel have been gained.The effect of covering slag on bismuth evaporation has also been studied. |
| |
| Keywords: | evaporation trace elements vacuum melting nickel chrominium molybdenum steel |
| 本文献已被 CNKI 维普 等数据库收录！ |
