3D相场模拟研究Ti-6Al-4V合金片层组织形貌的影响因素

张瑶, 齐敏, 孙佳, 吴婷, 马英杰, 王皞, 杨锐

3D Phase Field Simulation of Factors Influencing the Microstructure Morphology of Lamellar Ti-6Al-4V Alloy

ZHANG Yao, QI Min, SUN Jia, WU Ting, MA Yingjie, WANG Hao, YANG Rui

图1 不同热处理温度下3种界面能各向异性比在相同时间下的片层形貌

Fig.1 Lamellae morphologies of three different interface energy anisotropy ratios under different heat treatment temperatures at the same time (The color scale in the simulation results represents the numerical value of the order parameter, the same in figures below. kx —characterize the magnitude of interface energy in the x-direction) (a1) kx = 0.4, 780oC (a2) kx = 0.6, 780oC (a3) kx = 0.8, 780oC (b1) kx = 0.4, 820oC (b2) kx = 0.6, 820oC (b3) kx = 0.8, 820oC (c1) kx = 0.4, 860oC (c2) kx = 0.6, 860oC (c3) kx = 0.8, 860oC