Table 1.

Sandwich composite groups. (A) and (B) refer to specimen size designation

Designation	Skin	Core Material	Dimensions, mm
TRC-FRAC	2-ARG	FRAC	(A)50 × 50 × 250 (B)50 × 100× 250
TRC-AAC	2-ARG	AAC	(A)50 × 50 × 250 (B)50 × 100 × 250