Table 3 Vickers’ hardness of CF/E and CF/GNP/E composites.

From: Mechanical and electromagnetic shielding properties of carbon fabric with graphene nanoplatelets reinforced epoxy composites

Sample

Trial-1

Trail-2

Trail-3

Trail-4

Trial-5

HV Aver.

CF/E

42.5

46.5

40.7

38.4

41.4

41.9

CF/1GNP/E

44.3

43.8

41.8

41.3

33.8

41

CF/2GNP/E

37.2

39.1

44.7

46.3

40.2

41.5

CF/3GNP/E

40.7

34.6

37.5

39.2

39

38.2

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