坩埚(大地测量学)
真空感应熔炼
感应炉
钇
材料科学
冶金
合金
烟气脱硫
高温合金
陶瓷
相(物质)
化学
氧化物
计算化学
有机化学
作者
Fuwei Wang,Ying Cheng,Shoubin Zhang,Rui Zhang,Yan-Yun Sun,Kai Guan,Huarui Zhang,Hu Zhang
出处
期刊:Metals
[Multidisciplinary Digital Publishing Institute]
日期:2024-03-19
卷期号:14 (3): 353-353
摘要
In this study, the effect of adding different contents of yttrium (Y) during vacuum induction melting in Al2O3 and Y2O3 crucibles on the purification of DD5 alloys was investigated. The results show that the Y2O3 crucible exhibited great crucible stability and an excellent desulfurization effect when melting a Y-containing DD5 alloy. The S content of the alloy was reduced from 5.03 ppm to 1.36 ppm with the addition of 0.50 wt.% Y. Element Y combined with free S in the melt to form the YS phase, which was removed from the condensate shell and slag during the vacuum induction melting (VIM) process. Meanwhile, when the alloy was melted in the Y2O3 crucible with 0.50 wt.% Y addition, there was a reduction in S content from 2.77 ppm to 1.36 ppm compared to the Al2O3 crucible. Additionally, the loss of Y decreased from 0.12 wt.% to 0.05 wt.%.
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