Table 4.

The components of A matrix.

Parameter:	Test 2 and 6	Group 1	Group 2
$A_{11}$ (N/mm)	2581	2583.0	3554.0
$A_{12}$ (N/mm)	158	103.5	158.1
$A_{22}$ (N/mm)	1674 (1500 1)	1765.0	1792.0
$A_{66}$ (N/mm)	1078	1061.0	946.0

¹ Results obtained directly from test 2 in the CD using Equation (7) or (9).