Table 2.
Summary of thermal conductivity at room temperature and enhancement factor depending on the ceramics, the matrix, and the alignment method (‖ and ⊥ are values of the in-plane and through-plane directions, respectively).
| Ceramics | Matrix (Alignment method) | Loading [vol %] | Thermal conductivity [W/mK] | Enhancement factor/Solution mixing [%] | Ref. |
|---|---|---|---|---|---|
| AlN | PP (3D/Hot pressing) |
30 | 0.81 | 23.2 | [8] |
| 10 | 0.37 | ||||
| Epoxy/Fe3O4 (2D/Magnetic force) |
20 | 1.754 | 92 | [53] | |
| Al2O3 | PE-g-AA/HDPE (2D/Molding injection) |
50 wt % | 0.47 (‖) 0.305 (⊥) |
17.5 (‖) −15.3 (⊥) |
[23] |
| SiC | SiC fibre/air (3D/Ice template) |
6 | 0.54 (‖) 0.65 (⊥) |
- | [77] |
| BN_Fe3O4/Epoxy (2D/Magnetic force) |
40 | 5.77 (⊥) 2.25 (‖) |
162 (⊥) −34.8 (‖) |
[68] | |
| Si3N4 | PE (3D/Hot pressing) |
20 | 1.20 (0.2 μm) 1.05 (3.0 μm) 0.94 (35 μm) |
- | [39] |
| BN | PVA (2D/Vacuum assisted) |
94 wt % | 6.9 | - | [57] |
| Epoxy (3D/Fiber assisted self-assembly) |
9.6 | 3.13 | 998 | [4] | |
| PVA/PVA_PDA (2D/Doctor blading) |
30 | 7.27 (‖) 8.8 (‖) |
21.2 (‖) 13.5 (‖) |
[56] | |
| Epoxy (2D/Magnetic force) |
20 wt % | 0.85 (‖) | 104 (⊥) | [52] | |
| PVA (3D/Ice template) |
9.29 | 2.85 (‖) 2.40 (⊥) |
112 (‖) 152 (⊥) |
[45] |