[P] P107~P114

[P110] Predicting Thermal Expansion Properties of Complex Composite Materials Using Multi-Scale Simulation

*Jinyong Lee¹, Hyokyeong Kim¹, Sooah Kyung¹, Jongwook Kwak¹, Jiwoong Kim^1,2 (1. Department of Materials Science and Engineering, Soongsil University, Seoul 06978, Republic of Korea, 2. Department of Green Chemistry and Materials Engineering, Soongsil University, Seoul 06978, Republic of Korea)

Keywords:Multi-scale simulation、Thermal expansion coefficient (CTE)、Finite element method (FEM)、High-entropy ceramics (HEC)、Metal matrix

Multi-scale simulations predict high-temp composite expansion. FEM and thermo-elastic models align. Mo at 2000 K and Nb at 2500-3000 K show highest CTE mismatch and stress, ideal for high-temp use.