锆合金氧化膜中相变与裂纹演化的相场模拟

王小齐, 张金虎, 郭辉, 李学雄, 许海生, 柏春光, 徐东生, 杨锐

Phase-Field Simulations of Phase Transformation and Crack Evolution in Zirconium Alloy Oxide Film

WANG Xiaoqi, ZHANG Jinhu, GUO Hui, LI Xuexiong, XU Haisheng, BAI Chunguang, XU Dongsheng, YANG Rui

表1 模拟计算中的相关参数[24]

Table 1 Parameters employed in the simulation[24]

Parameter Symbol Value Chemical driving force ΔG 36.8 × 106 J·m-3 Gradient energy coefficient kη 1 × 10-8 J·m-1 Energy density coefficient a 0.14 Energy density coefficient b 12.42 Energy density coefficient c 12.28 Kinetic coefficient L 2 m3·J-1·s-1