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Table 3 Chemical compositions of different phases of (CrFeCoNi)1-x(WC)x HEAs obtained by SEM and EDS analysis

From: “Effect of tungsten carbide (WC) on electrochemical corrosion behavior, hardness, and microstructure of CrFeCoNi high entropy alloy”

Alloy

Phase

Weight fraction wt.%

Cr

Fe

Co

Ni

W

C

(CrFeCoNi)100(WC)0

FCC matrix

28.02

25.25

24.88

21.85

0

0

Cr rich

81.64

5.39

6.19

6.78

0

0

Cr depleted

53.43

12.06

19.97

14.54

0

0

(CrFeCoNi)95(WC)5

FCC matrix

23.76

26.17

23.19

20.95

2.93

3.00

W-rich carbide

14.63

6.56

8.42

5.73

57.37

7.29

Cr-rich carbide

67.46

11.25

10.24

8.25

1.97

0.83

(CrFeCoNi)80(WC)20

FCC matrix

21.84

21.85

21.24

18.08

13.11

3.88

W-rich carbide

9.13

8.43

8.06

7.53

60.50

6.35

Cr-rich carbide

71.46

8.62

6.92

5.96

4.52

2.52