Thermo-physical properties of the materials used in this study.24
| Parameters . | State . | CuSn10 . |
|---|---|---|
| Density (kg m−3) | Solid | 8 800 − 0.6 × (T − 298) |
| Liquid | 7 927 − 0.788 × (T − 1 273) | |
| Solidus temperature (K) | 1 123 | |
| Liquidus temperature (K) | 1 273 | |
| Boiling temperature (K) | 2 835 | |
| Thermal conductivity (W m−1 K−1) | 63 | |
| Latent heat of melting (J kg−1) | 230 000 | |
| Latent heat of evaporation (J kg−1) | 4 380 000 | |
| Specific heat (J K−1 kg−1) | Solid | 368 |
| Liquid | 465 | |
| Viscosity (Pa s) | 0.458 exp(3025/T) | |
| Surface tension (N m−1) | 1.382 − 0.000 2 × (T − 1356) | |
| Laser absorptivity | 0.1 | |
| Convective heat transfer coefficient (W m−2) | 80 | |
| Absorptivity to the laser beam | 0.2 |
| Parameters . | State . | CuSn10 . |
|---|---|---|
| Density (kg m−3) | Solid | 8 800 − 0.6 × (T − 298) |
| Liquid | 7 927 − 0.788 × (T − 1 273) | |
| Solidus temperature (K) | 1 123 | |
| Liquidus temperature (K) | 1 273 | |
| Boiling temperature (K) | 2 835 | |
| Thermal conductivity (W m−1 K−1) | 63 | |
| Latent heat of melting (J kg−1) | 230 000 | |
| Latent heat of evaporation (J kg−1) | 4 380 000 | |
| Specific heat (J K−1 kg−1) | Solid | 368 |
| Liquid | 465 | |
| Viscosity (Pa s) | 0.458 exp(3025/T) | |
| Surface tension (N m−1) | 1.382 − 0.000 2 × (T − 1356) | |
| Laser absorptivity | 0.1 | |
| Convective heat transfer coefficient (W m−2) | 80 | |
| Absorptivity to the laser beam | 0.2 |