“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

图9 不同退火工艺的GW83K镁合金有限元模型模拟结果

Fig.9 Simulation results of finite element model of GW83K Mg alloys under different annealing processes (a) σ-ε curves (b) relationship among average grain size and yield strength (σ y), tensile strength (σ s), and total elongation (ε s) (c) EQV. strain contours of model Nos.1-9, distinguished by the critical strain (ε CR) (d) relationship among the d ˉ and proportion of slip band (γ s ) ? and volume fraction of coarse grains (f CG)