Nb4AlC3MAX 相单晶纳米线断面自修复原位定量研究

崔俊峰, 胡晓飞, 陈国新, 李友兵, 柯培玲, 赵宏伟

In Situ Quantification of Fracture Surface Self-Healing in Monocrystalline Nb4AlC3MAX Phase Nanowires

CUI Junfeng, HU Xiaofei, CHEN Guoxin, LI Youbing, KE Peiling, ZHAO Hongwei

图3 Nb4AlC3MAX相纳米线断裂及自修复行为的原位定量测试

Fig.3 In situ quantitative TEM investigations on the fracture and self-healing behaviour of the Nb4AlC3MAX phase nanowire (a) TEM images showing fracture (I-III) and unloading (IV) processes of the initial tension (b) TEM images showing fracture (I-III) and unloading (IV) processes after self-healing for 1 h (c) TEM images showing fracture (I-III) and unloading (IV) processes after irradiation-aided healing for 1 h (d1, d2) tensile stress-strain curves during the initial tension (d1) and after self-healing and after irradiation-aided healing (d2)