[P] P231~P243 Materials Processing

[P234] Large-scale phase-field simulations of rapid solidification microstructure in metal additive manufacturing for direct comparison with experiments

○Shinnosuke Tahara¹, Shinji Sakane¹, Masayuki Okugawa², Ryusuke Nakamura³, Yuichiro Koizumi², Tomohiro Takaki¹ (1. Kyoto Inst. of Technol. , 2. The Univ. Osaka, 3. Univ. of Shiga Pref.)

Keywords:

additive manufacturing,phase field,rapid solidification,banded microstructure,adaptive mesh refinement

To directly compare with experimental microstructures in metal additive manufacturing, macroscopic temperature fields from thermal-fluid simulations are used to perform large-scale three-dimensional phase-field simulations with adaptive mesh refinement accelerated by multiple GPUs.