高熵合金中的局域化学有序

丁俊, 王章洁

Local Chemical Order in High-Entropy Alloys

DING Jun, WANG Zhangjie

图4 局域化学有序对CrCoNi合金层错能的影响[43,48] (a) atomic configuration of stacking fault in CrCoNi alloy[43] (b) the distribution of stacking fault energies (γisf) in CrCoNi alloys with a variety of local chemical order (from random solid solution CH_0, to the highest degree, CH_F), measured by DFT (density function theory) calculation[43] (c) low angle annular dark field (LAADF) images showing dislocation dissociations in water-quenched and 1000oC aged samples, respectively[48] (d) distribution of the measured separation of partial dislocation pairs from both water-quenched and 1000oC aged samples[48]

Fig.4 Effect of local chemical order on the stacking fault energies in CrCoNi alloys