Abstract
To improve the power efficiency and optimize the configuration of cold crucible using for continuous melting and directional solidification (DS), based on experimental verification, 3D finite element (FE) models with various configuration-elements were developed to investigate the magnetic field in cold crucible. Magnetic flux density (B) was measured and calculated under different configuration parameters. These parameters include the inner diameter (D 2), the slit width (d), the thickness of crucible wall, the section shape of the slit and the shield ring. The results show that the magnetic flux density in z direction (B z) both at the slit and at the midpoint of segment will increase with the decrease of D 2 or with the increase of the width of the slit and the section area of wedge slit or removing the shield ring. In addition, there is a worst wall thickness that can induce the minimum B z for a cold crucible with a certain outer diameter.
| Original language | English |
|---|---|
| Pages (from-to) | 404-410 |
| Number of pages | 7 |
| Journal | Transactions of Nonferrous Metals Society of China (English Edition) |
| Volume | 22 |
| Issue number | 2 |
| DOIs | |
| State | Published - Feb 2012 |
| Externally published | Yes |
Keywords
- cold crucible
- configuration design
- directional solidification
- magnetic flux density
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