Correlation between current and cross-sectional area of parallel fixed-movable dual electrodes in ESC
| Autor: | Li-ting Zhao, Yun-long Xiong, Rui Chen |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | China Foundry, Vol 17, Iss 3, Pp 245-249 (2020) |
| Druh dokumentu: | article |
| ISSN: | 1672-6421 20462107 |
| DOI: | 10.1007/s41230-020-8147-1 |
| Popis: | Electroslag casting with parallel fixed-movable dual electrodes is a new method for achieving better quality of castings in complex mold cavities. In this work, a mathematical model, y=kx2+(k+1)x, was established to describe the ideal correlation between the current ratio (y) and the cross-sectional area ratio (x) of the dual electrodes, where k is the filling ratio. Investigation was conducted on the electroslag casting process with dual electrodes of various cross-sectional areas, but at a constant k value. The experimental results indicated that the ideal correlation was obtained at the stable casting stage, and the fitting results were consistent with the experimental results at certain k values. The experimental findings show that better castings can be obtained when the current ratio is greater than 1.536 and the cross-sectional area ratio is greater than 0.5. |
| Databáze: | Directory of Open Access Journals |
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