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Effect of Selenium on the Interaction Between Refractory and Steel

  • Limei Cheng
  • Wen Yang
  • Ying RenEmail author
  • Lifeng ZhangEmail author
2019 Metallurgical Processes Workshop for Young Scholars
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Abstract

The presence of surface-active selenium in liquid steel has an obvious effect on the wettability between steel and inclusions, significantly affecting inclusion behaviors in liquid steel. In the current study, the influence of surfactant on the interaction between the refractory and liquid iron was investigated. The contact angles between the refractory and liquid iron with and without the selenium addition were measured using the sessile drop method at 1873 K. Besides, the interfacial reaction layer between the iron and refractory was investigated using scanning electron microscopy. It was found that the addition of selenium increased the contact angle between the iron and the refractory and affected the penetration behavior of liquid iron into the refractory.

Notes

Acknowledgments

The authors are grateful for the support from the National Science Foundation of China (Grant No. U1860206) and the Fundamental Research Funds for the Central Universities (Grant No. FRF-TP-17-001C2). The Beijing Key Laboratory of Green Recycling and Extraction of Metals (GREM), the Laboratory of Green Process Metallurgy and Modeling (GPM2), and the High Quality Steel Consortium (HQSC) at the School of Metallurgical and Ecological Engineering at the University of Science and Technology Beijing (USTB) are also acknowledged.

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Copyright information

© The Minerals, Metals & Materials Society and ASM International 2019

Authors and Affiliations

  1. 1.School of Metallurgical and Ecological EngineeringUniversity of Science and Technology Beijing (USTB)BeijingChina

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