Fig. 1. Hardness and elastic modulus of nitride coatings with different Si contents^[17]

Fig. 2. Yield strength and density of high-entropy alloys and traditional alloys^[10]

Fig. 3. Comparison of high-temperature compression performances of high-melting-point and high-entropy alloys and traditional nickel-based high-temperature alloys^[26]

Fig. 4. Corrosion resistance of Al_xCoCrFeNi high-entropy alloy and SS 304 stainless steel^[30]. (a) Polarization curves at room temperature; (b) relation between soaking time and corrosion rate of Al_xCoCrFeNi high-entropy alloy

Fig. 5. Comparison of wear resistance between Al_xCo_1.5CrFeNi_1.5Ti_y high-entropy alloy and traditional wear-resistant steel^[34]