Elliptical Method for Damage Identification in Carbon Fibre Reinforced Polymer Laminates

Table 1

Types of specimens and designations.

Quantity	Designation	Material	Stacking sequence	Laminate type	Dimensions (mm)	Aspect ratio (a/b)
2	Plate A1–A3	FibreDUX 6268C-HTA 12K	[90/±45/0]s	Quasi-isotropic	310 × 240 × 2	1.29
2	Plate B1-B2	FibreDUX 6268C-HTA 12K	[90/0/±45]s	Quasi-isotropic	310 × 240 × 2	1.29
2	Plate C1–C3	FibreDUX 6268C-HTA 12K	[90/0]2s	Cross-ply	310 × 240 × 2	1.29
2	Plate D1	FibreDUX 6268C-HTA 12K	[902/03]s	Cross-ply	310 × 240 × 2	1.29
1	Plate E1	FibreDUX 6268C-HTA 12K	[903/03]s	Cross-ply	300 × 241 × 3	1.24