Table 2.

Correlation coefficients of different fibre bond properties.

Correlation between	Spring-to-summerwood	Summer-to-summerwood	Spring-to-springwood
Thickness & opening thickness	−0.481	−0.646	−0.142
Distance & opening thickness	0.406	0.391	0.363
Distance & thickness	−0.238	−0.463	0.207
Intersection area & RCA	0.085	0.178	0.259
Intersection area & contact area	0.702	0.524	0.496
Necking symmetry & RCA	0.173	0.581	0.864
No. of contact regions & RCA	−0.469	−0.278	−0.850