Abstract
CoCrCuFeNiVx high-entropy alloy was prepared by mechanical alloying method. X-Ray Diffractometer (XRD), Scanning Electron Microscopy (SEM), Energy-Dispersive Spectroscopy (EDS) and Differential Scanning Calorimetry (DSC) were used for different samples. The crystal structure, microstructure, composition and thermal properties were studied with conclusions below. After ball milling time reaches 21 h, CoCrCuFeNiV0.6 consists of two phases (FCC1+FCC2). After adding V, the element distribution is more uniform and the complete melting temperature of the alloy decreases with increasing V content. Also, after CoCrCuFeNiV0.6 ball milling for 21 and 27 h, the alloy material powder showed the phenomenon of amorphous transition. Mechanical alloying degree of CoCrCuFeNiV0.8 is the highest when the ball milling time is 15 h. The mechanical alloying degree tends to be fixed after 21 h in the case of CoCrCuFeNiV0.6.
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