“工艺-组织-性能”模拟研究Mg-Gd-Y合金混晶组织

李少杰, 金剑锋, 宋宇豪, 王明涛, 唐帅, 宗亚平, 秦高梧

Multimodal Microstructure of Mg-Gd-Y Alloy Through an Integrated Simulation of “Process-Structure-Property”

LI Shaojie, JIN Jianfeng, SONG Yuhao, WANG Mingtao, TANG Shuai, ZONG Yaping, QIN Gaowu

表1 晶粒生长相场模型中的参数

Table 1 Parameters in the phase-field model for grain growth

T A A 1 A 2 B 1 B 2 L ̂ c 1 ϕ 2nd f 2nd d 2nd K kJ·mol-1 kJ·mol-1 kJ·mol-1 kJ·mol-1 kJ·mol-1 mol·s-1·J-1 % μm 623 -49.2 297.3 -775.2 371 51.2 0.45 0.46 Lath 0.67 1-2 673 -52.6 308 -869.6 365.7 51.2 1.22 0.46 Lath 1.35 1-2 723 -55.9 322.4 -901.1 373.7 51.2 2.72 0.46 Sphere 1.35 1-2