Novel double-phase high-entropy alloy coaxial powder feeding laser deposition preparation method and product

The invention discloses a preparation method of a novel double-phase high-entropy alloy through coaxial powder feeding and laser deposition. The molar ratio of Al to Co to Cr to Fe to Ni to Cu in high-entropy alloy powder is 1: 1: 1: 1: 2: 1. The high-entropy alloy powder provided by the invention is uniform in component distribution and high in sphericity degree. The high-entropy alloy prepared by using the high-entropy alloy powder disclosed by the invention as original powder for coaxial powder feeding laser deposition has the characteristics of compact and uniform structure, few pores, few unmelted particles and good combination with a substrate. 本发明公开了一种新型双相高熵合金同轴送粉激光沉积的制备方法，所述高熵合金粉末中各元素的摩尔比为：Al:Co:Cr:Fe:Ni:Cu＝1:1:1:1:2:1。本发明提供的高熵合金粉末成分分布均匀，球形度高。利用本发明的高熵合金粉末，作为同轴送粉激光沉积的原始粉末制备得到的高熵合金，具有结构致密均匀、孔隙少、未融化颗粒少、与基板结合良好的特点。