Initial concentration | c0 | % | 5.0 | 0.1 |
Initial temperature | T0 | oC | 226 | 1550 |
Pure solvent melting temperature | Tm | oC | 232 | 1538 |
Partition coefficient | kp | - | 0.0656[5] | 0.2[8] |
Liquidus temperature | Tliq | oC | 224.86 | 1530.12 |
Liquidus slope | m | oC·%-1 | -1.286[5] | -80.579[8] |
Eutectic/peritectic temperature | Te | oC | 181.41 | 1494.63 |
Liquid phase concentration at eutectic/peritectic point | ce | % | 38.1 | 0.53 |
Solid phase concentration at eutectic/peritectic point | ces | % | 2.2 | 0.09 |
Thermal expansion coefficient | βT | oC-1 | 6 × 10-5[5] | 1 × 10-4[8] |
Solute expansion coefficient | βs | %-1 | -5.3 × 10-3[5] | 4 × 10-5[8] |
Reference concentration | cref | % | 5.0 | 0.1 |
Reference temperature | Tref | oC | 226 | 1550 |
Ambient temperature | Text | oC | 25 | 25 |
Liquid density | ρ | kg·m-3 | 7000[5] | 7020[8] |
Dynamic viscosity | μl | Pa·s | 1.0 × 10-3[5] | 6.2 × 10-3[8] |
Latent heat of solidification | L | J·kg-1 | 61000[5] | 270000[8] |
Specific heat capacity at constant pressure | cp | J·kg-1·K-1 | 260[5] | 680[8] |
Thermal conductivity of alloy | λ | W·m-1·K-1 | 55[5] | 34[8] |
Liquid diffusion coefficient | Dl | m2·s-1 | 1 × 10-8[5] | 1 × 10-8[8] |
Secondary dendrite arm spacing | λ2 | μm | 65 | 50 |
Heat transfer coefficient | α | W·m-2·K-1 | 300 | 800 |
Time step | Δt | s | 0.01 | 0.05 |