Fe-Cr合金气泡演化动力学的相场法模拟

刘彩艳, 冯泽华, 张云鹏, 余康, 吴璐, 马聪, 张静

Phase Field Simulation of Bubble Evolution Dynamics in Fe-Cr Alloys

LIU Caiyan, FENG Zehua, ZHANG Yunpeng, YU Kang, WU Lu, MA Cong, ZHANG Jing

图2 空洞和气泡协同形核长大过程中空位和气体原子的浓度演化和应力场演化

Fig.2 Concentration and stress field evolutions of vacancy and gas atoms during the cooperative nucleation and growth of cavity and bubble (a1-a3) vacancy concentration (Cv) field distributions during growing up at 10t0 (a1), 2500t0 (a2), and 5000t0 (a3), respectively (b1-b3) gas atom concentration (Cg) field distributions during growing up at 10t0 (b1), 2500t0 (b2), and 5000t0 (b3), respectively (c1-c3) Cv and Cg along the cross section of the center line of the bubble at 10t0 (c1), 2500t0 (c2), and 5000t0 (c3), respectively (d1-d3) stress field distributions of bubble at 10t0 for σxx (d1), σyy (d2), and σxy (d3), respectively (σxx, σyy —normal stresses, σxy —shear stress)