Abstract
Continuously increasing product requirements place constant demands on steel manufacturers with regard to innovation. Among them is the development of new Electro Slag Re-melting (ESR) slag concepts, where MgO is one of the basic components. The specific electrical conductivity of CaF 2-based MgO-containing ESR slags is determined by a specially constructed measurement cell equipped with four electrodes. The analysed slags are composed either of CaF 2-MgO with a maximum content of 15%MgO or of CaF 2- 15%CaO with stepwise substitution of CaO by MgO. The results show that the conductivity decreases with rising MgO content. In order to provide a better evaluation of the effects of adding MgO, the results are compared to the specific conductivity of pure CaF 2 and a CaF 2-CaO-Al 2O 3 standard slag. The applicability of the laboratory results in industry was verified by re-melting experiments in an electro slag re-melting furnace.
| Original language | English |
|---|---|
| Pages (from-to) | 567-574 |
| Number of pages | 8 |
| Journal | Archives of Metallurgy and Materials |
| Volume | 53 |
| Issue number | 2 |
| Publication status | Published - 2008 |
Keywords
- CaF -CaO
- CaF -based slags
- CaF -CaO-Al O
- CaF -CaO-MgO
- CaF -MgO
- Conductivity measuring device
- Electro slag re-melting
- Pressurized ESR
- Specific electrical conductivity
