Research Article
Simulation of Microstructure during Laser Rapid Forming Solidification Based on Cellular Automaton
Table 1
Calculation parameters of grain tip growth kinetics coefficients.
| Elements | Initial concentration (%) | Partition coefficient | Liquidus slope (°C/wt%) | Diffusion coefficient in liquid (m2/s) | Gibbs-Thomson coefficient (K·m) |
| Al | 6.1 | 0.9 | −1190 | 10−9 | 2 × 10−7 | V | 4.2 | 0.8 | −1500 | Fe | 0.15 | 0.07 | −2000 |
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