含He泡液态金属铝的动态拉伸断裂机制与损伤模型

周婷婷, 赵福祺, 周洪强, 张凤国, 殷建伟

Mechanism and Damage Model for the Dynamic Tensile Fracture of Liquid Aluminum Containing He Bubbles

ZHOU Tingting, ZHAO Fuqi, ZHOU Hongqiang, ZHANG Fengguo, YIN Jianwei

图1 含He泡液态金属铝(简称含He泡铝)样品的初始结构与分子动力学(MD) (1100 K)优化后的结构

Fig.1 Initial configuration of the liquid Al sample with He Bubbles (Al-He sample) (a) and the optimized configuration (by molecular dynamics (MD) simulation) at 1100 K (b) (The sample is cut through the center to show the central He bubble)