Journal of Materials Engineering

Research progress in tribological properties of high entropy alloys

Yuan YU, Zhuhui QIAO, Haibo REN, Weimin LIU

Journal of Materials Engineering, 2022, 50(3): 1-17. DOI: 10.11868/j.issn.1001-4381.2021.000823

Fig.1 Self-lubricating mechanism of FeCoCrNiAl/GNP composites^[83] (a)wear form; (b)wear mechanism; (c)COF and wear rate

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Table 1 Effect of modified metallic elements on tribological properties of high entropy alloys
Table 2 Effect of modified non-metallic elements on tribological properties of high entropy alloys
Table 3 Effects of heat treatment and surface engineering techniques on tribological properties of high entropy alloys
Fig.2 Effect of surface nitriding on wear behaviors of Ni₄₅(CoCrFe)₄₀(AlTi)₁₅ alloy^[87] (a)cross section of the nitrided layers; (b)SEM image of nitrided HEAs layers; (c)hardness-depth profile; (d)wear rates of as-cast and nitrided HEAs
Fig.3 Effect of high current pulsed electron beam on surface microstructure (a) and tribological properties (b) of CoCrFeNiMo_0.2 alloy^[93]
Fig.4 Wear and lubrication mechanism of high entropy alloy/Si₃N₄ ^[115](a) and high entropy alloy/SiC^[116] (b) pairs in 90% H₂O₂ solution