Table 2 Phase composition of microstructure of the CoCrFeNiNbx alloys in the form of ingots and plates based on the results of SEM micrographs analysis.

From: The effect of cooling rate and content of niobium on the structure, wear and corrosion resistance of CoCrFeNiNbx high entropy alloys

Sample

Phase

Phase concentration [%]

(mean ± SD)

CoCrFeNiNb0.25

ingot

FCC

79.5 ± 3.4

Laves phase

20.5 ± 3.4

CoCrFeNiNb0.25

plate

FCC

70.6 ± 1.0

Laves phase

29.4 ± 1.0

CoCrFeNiNb0.45

ingot

FCC

63.9 ± 0.4

Laves phase

36.1 ± 0.4

CoCrFeNiNb0.45

plate

FCC

58.2 ± 4.4

Laves phase

41.8 ± 4.4

CoCrFeNiNb0.65

ingot

FCC

51.7 ± 2.8

Laves phase

48.3 ± 2.8

CoCrFeNiNb0.65

plate

FCC

55.8 ± 4.4

Laves phase

44.2 ± 4.4

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