Effect of Superficial Scratch Damage on Tension Properties of Carbon/Epoxy Plain Weave Laminates

Table 2

Bearing capacity loads compared between different scratch lengths and virgin specimen.

Specimen	Average failure load (kN)	CV (%)	Load reduction (%)
Virgin	59.28	10.88	—
L = 5 mm (20% W)	57.66	10.23	2.83
L = 10 mm (40% W)	58.48	4.93	1.35
L = 15 mm (60% W)	59.17	6.60	0.19
L = 20 mm (80% W)	56.08	3.82	5.40
L = 25 mm (100% W)	53.50	10.70	9.75