铁素体-贝氏体双相钢韧性断裂过程中的夹杂物临界尺寸及孔洞生长

赵亚峰, 刘苏杰, 陈云, 马会, 马广财, 郭翼

Critical Inclusion Size and Void Growth in Dual-Phase Ferrite-Bainite Steel During Ductile Fracture

ZHAO Yafeng, LIU Sujie, CHEN Yun, MA Hui, MA Guangcai, GUO Yi

图4 图1a所示的2个孔洞及其周围晶粒的XCT三维视图，以及孔洞生长的位错环机制示意图

Fig.4 High resolution XCT morphology of the two voids shown in Fig.1a together with the grains surrounding the two voids (a), illustration demonstrating void expansion caused by glide of dislocation loops (b—Burgers vector module) (b) Color online