高熵合金跨尺度异构强韧化及其力学性能研究进展

安子冰, 毛圣成, 张泽, 韩晓东

Strengthening-Toughening Mechanism and Mechanical Properties of Span-Scale Heterostructure High-Entropy Alloy

AN Zibing, MAO Shengcheng, ZHANG Ze, HAN Xiaodong

图5 VCoNi合金显微结构及元素分布[39]

Fig.5 Microstructure and chemical distributions of VCoNi alloy[39] (a) HAADF-STEM image and CSRO region size distributions of VCoNi alloy (CSRO—chemical short-range order, FFT—fast Fourier transformation) (b) atomic resolution energy dispersive spectroscopy (EDS) mapping showing the chemical distribution (c) lattice strain (ε) distribution of VCoNi alloy before and after tensile tests, respectively (Insets in Fig.5c are a close-up view showing the edge dislocation-induced strain-field)