1 Introduction
2 Additive manufacturing and anisotropy generation
2.1 Fused deposition modelling (FDM)
2.2 Cold spray (CS)
2.3 Samples
Manufacturing Methods | Powder | Br/mT | HcJ/kA m−1 |
---|---|---|---|
Fused Deposition Modeling | MQA-38-17 | 435 | 1099 |
Cold Spray | MQFP-14-12 | 307 | 854 |
3 Design of magnetizing coils
3.1 Benchmark and AM-motors
U/V | I/A | Pmech/W | T/Nm | n/rpm |
---|---|---|---|---|
12/\(\sqrt{2}\) | 32 | 470 | 3 | 1500 |
3.2 Geometry design
Coil | Pole number | Magnet type | Skew angle | Slot shape |
---|---|---|---|---|
1 | 8 | Anisotropic | 15° | Square |
2 | 8 | Isotropic | 15° | Round |
3 | 16 | Anisotropic/Isotropic | 7.5° | Honeycomb |
3.3 Electrical and thermal design
Coil | \(R/\mathrm{m}\Upomega\) | \(L/\mathrm{mH}\) | \(U_{0}/\mathrm{V}\) | \(I_{\max }/\mathrm{kA}\) | \(\Updelta T/\mathrm{K}\) |
---|---|---|---|---|---|
1 | 14.1 | 6.6 | 900 | 15 | 40.5 |
2 | 24.7 | 5.3 | 1250 | 20 | 40.6 |
3 | 27.3 | 5.4 | 1500 | 22.6 | 30.0 |