Impact of Varying Laser Power and Introducing Ni Element on the Wear Performance of Fecocral Mea

Abstract

TA15 alloy is commonly used to manufacture the blade disks of aero-engines due to its excellent mechanical properties and machinability. In this study, a FeCoCrAl medium-entropy alloy (MEA) coating was applied to the surface of  TA15 using laser cladding at various power levels to improve its wear performce. A friction wear test was conducted at 300 ℃ and the results indicated that the FeCoCrAl MEA coating exhibited the best wear resistance when the laser power was set at 500 W. Additionally, nickel (Ni) was incorporated to assess its effect on the coating’s properties. The findings revealed that the FeCoCrNiAl high-entropy alloy (HEA) coating outperformed the MEA coating at the same power level. The study further analyzed how different laser powers and compositions affected the performance of the coatings through experimental characterization.

Keywords: Wear test, High-entropy alloy, Laser cladding