金属/高熵合金纳米多层膜的力学性能及其辐照效应研究进展

张金钰, 屈启蒙, 王亚强, 吴凯, 刘刚, 孙军

Research Progress on Irradiation Effects and Mechanical Properties of Metal/High-Entropy Alloy Nanostructured Multilayers

ZHANG Jinyu, QU Qimeng, WANG Yaqiang, WU Kai, LIU Gang, SUN Jun

图4 h = 50 nm的Cu/NbMoTaW多层膜压痕的TEM像和塑性应变统计图[28]

Fig.4 TEM images and statistical diagram of plastic strain of deformed morphology in h = 50 nm Cu/NbMoTaW multilayers[28] (a) cross-sectional TEM image of the indentation (b) magnified view of the boxed area in Fig.4a for the shear band, showing the fracture of hard NbMoTaW layers (c) HRTEM image of the interface of the boxed area in Fig.4b (d) plastic strain of each constituent as a function of the number of layer along the red line in Fig.4a, indicating that the plastic deformation is dominated by soft Cu layers