高熵合金的低温塑性变形机制及强韧化研究进展

刘俊鹏, 陈浩, 张弛, 杨志刚, 张勇, 戴兰宏

Progress of Cryogenic Deformation and Strengthening-Toughening Mechanisms of High-Entropy Alloys

LIU Junpeng, CHEN Hao, ZHANG Chi, YANG Zhigang, ZHANG Yong, DAI Lanhong

图14 AlCoCrFeNi2.1共晶高熵合金丝材低温拉伸时的组织特征[102] (a) deformation twins (DT) and dislocation cells (DC) in fcc matrix and microstructure refinement deriving from dense dislocation cross-slip in B2 phase of EHEA wire during cryogenic tension (b) SAED pattern of B2 phase (green circle) in Fig.14a

Fig.14 Microstructures of AlCoCrFeNi2.1 EHEA wire during tensile test at 77 K[102]